図形のコピー: 三角形の面積 ヘルプ

ドット数(幅高)形式(gifjpg)
set_scale($scale = 10, $org_x_percent = 50, $org_y_percent = 50); $lev = 0; $h = 8; $ax = -3; $ay = $lev; $bx = 5; $by = $lev; $cx = 3.5; $cy = $lev + $h; $hx = $cx; $hy = $ay; set_text_size($text_size = 12); allocate_text_color('black'); draw_marked_triangle($ax, $ay, $bx, $by, $cx, $cy, $type_a = 0, $type_b = 0, $type_c = 0, $text_a = '', $text_b = '', $text_c = '', $text_ops_a = 'A', $text_ops_b = 'B', $text_ops_c = 'C', $italic = true, $italic_ops = false, $r = 10); set_text_margin($text_margin = 4); draw_text('a', ($bx + $cx)/2, ($by + $cy)/2, O_POS_LOW_LEFT, true); draw_text('b', ($cx + $ax)/2, ($cy + $ay)/2, O_POS_LOW_RIGHT, true); draw_text('c', ($ax + $bx)/2, ($ay + $by)/2, O_POS_UP_CENTER, true); allocate_color('blue'); draw_line($cx, $cy, $hx, $hy); draw_corner_mark($hx, $hy, $bx, $by, $cx, $cy, $type = 1); draw_arc_mark($tx, $ty, $cx, $cy, $hx, $hy, $text = 'h', $italic = true, $arc_type = ARC_TYPE_DASH, $width_rate = 0.7, $text_hole_rate = 1.5); $prod = calc_inscribed_circle($ax, $ay, $bx, $by, $cx, $cy, $cent_x, $cent_y, $r, $px, $py, $qx, $qy, $rx, $ry); allocate_color('red'); draw_circle($cent_x, $cent_y, $r); draw_line($cent_x, $cent_y, $px, $py); draw_line($cent_x, $cent_y, $qx, $qy); draw_line($cent_x, $cent_y, $rx, $ry); draw_corner_mark($px, $py, $cx, $cy, $cent_x, $cent_y, $type = 1); draw_corner_mark($qx, $qy, $ax, $ay, $cent_x, $cent_y, $type = 1); draw_corner_mark($rx, $ry, $bx, $by, $cent_x, $cent_y, $type = 1); draw_arc_mark($tx, $ty, $cent_x, $cent_y, $rx, $ry, $text = 'r', $italic = true, $arc_type = ARC_TYPE_DASH, $width_rate = 0.6, $text_hole_rate = 1.5); allocate_color('green'); draw_line($cent_x, $cent_y, $ax, $ay); draw_line($cent_x, $cent_y, $bx, $by); draw_line($cent_x, $cent_y, $cx, $cy); $ca = sqrt(($cx - $ax)*($cx - $ax) + ($cy - $ay)*($cy - $ay)); $cb = sqrt(($cx - $bx)*($cx - $bx) + ($cy - $by)*($cy - $by)); $qa = sqrt(($qx - $ax)*($qx - $ax) + ($qy - $ay)*($qy - $ay)); $pb = sqrt(($px - $bx)*($px - $bx) + ($py - $by)*($py - $by)); $down = $r * 3; $a2x = $ax; $a2y = $ay - $down; $b2x = $bx; $b2y = $by - $down; $c2x = $a2x - $ca; $c2y = $a2y; $q2x = $a2x - $qa; $q2y = $a2y; $c3x = $b2x + $cb; $c3y = $b2y; $p3x = $b2x + $pb; $p3y = $b2y; $cent1_x = $cent_x; $cent1_y = $cent_y - $down; $cent2_x = $q2x ; $cent2_y = $cent1_y; $cent3_x = $p3x ; $cent3_y = $cent1_y; $r2x = $cent1_x; $r2y = $cent1_y - $r; allocate_color('black'); draw_line($c2x, $c2y, $c3x, $c3y); allocate_color('green'); draw_line($c2x, $c2y, $cent2_x, $cent2_y); draw_line($a2x, $a2y, $cent2_x, $cent2_y); draw_line($a2x, $a2y, $cent1_x, $cent1_y); draw_line($b2x, $b2y, $cent1_x, $cent1_y); draw_line($b2x, $b2y, $cent3_x, $cent3_y); draw_line($c3x, $c3y, $cent3_x, $cent3_y); draw_dash_line($cent2_x, $cent2_y, $cent3_x, $cent3_y); allocate_color('red'); draw_line($q2x, $q2y, $cent2_x, $cent2_y); draw_line($r2x, $r2y, $cent1_x, $cent1_y); draw_line($p3x, $p3y, $cent3_x, $cent3_y); draw_corner_mark($q2x, $q2y, $a2x, $a2y, $cent2_x, $cent2_y, $type = 1); draw_corner_mark($r2x, $r2y, $b2x, $b2y, $cent1_x, $cent1_y, $type = 1); draw_corner_mark($p3x, $p3y, $c3x, $c3y, $cent3_x, $cent3_y, $type = 1); draw_arc_mark($tx, $ty, $cent2_x, $cent2_y, $q2x, $q2y, $text = 'r', $italic = true, $arc_type = ARC_TYPE_DASH, $width_rate, $text_hole_rate); draw_arc_mark($tx, $ty, $cent1_x, $cent1_y, $r2x, $r2y, $text = 'r', $italic = true, $arc_type = ARC_TYPE_DASH, $width_rate, $text_hole_rate); draw_arc_mark($tx, $ty, $cent3_x, $cent3_y, $p3x, $p3y, $text = 'r', $italic = true, $arc_type = ARC_TYPE_DASH, $width_rate, $text_hole_rate); draw_text('a', ($b2x + $c3x)/2, ($b2y + $c3y)/2, O_POS_UP_CENTER, true); draw_text('b', ($c2x + $a2x)/2, ($c2y + $a2y)/2, O_POS_UP_CENTER, true); draw_text('c', ($a2x + $b2x)/2, ($a2y + $b2y)/2, O_POS_UP_CENTER, true); allocate_color('purple'); calc_2p_arc($qx - $r, $qy + $r / 2, $cent2_x, $cent2_y + $r / 2, $r * 0.7, $tcent_x, $tcent_y, $tr, $tsa, $tea); draw_arc($tcent_x, $tcent_y, $tr, $tsa, $tea); calc_2p_arc($cent3_x + $r / 2, $cent3_y + $r / 2, $px + $r, $py + $r / 2, $r * 0.3, $tcent_x, $tcent_y, $tr, $tsa, $tea); draw_arc($tcent_x, $tcent_y, $tr, $tsa, $tea); draw_line($cent1_x, $cent1_y + $r / 2, $cent1_x, $cent1_y + $r * 1.5); draw_arrow_head($cent2_x, $cent2_y + $r / 2 + 1, $cent2_x, $cent2_y + $r / 2); draw_arrow_head($cent3_x + $r / 2, $cent3_y + $r / 2 + 1, $cent3_x + $r / 2, $cent3_y + $r / 2); draw_arrow_head($cent1_x, $cent1_y + $r / 2 + 1, $cent1_x, $cent1_y + $r / 2);
テンプレートを選択するとプログラムに追加されます。 set_scale(...); allocate_color('black'); allocate_color('gray'); allocate_color('red'); allocate_color('blue'); allocate_color('green'); allocate_color('purple'); allocate_bgcolor('white'); transparent_bgcolor(); set_thick($thick = 1); set_dashlen($dashlen = 7); set_arrow_size(...); draw_line(...); draw_horizontal($y); draw_vertical($x); draw_dash_line(...); draw_rect(...); draw_arrow_head(...); draw_xaxis(...); draw_yaxis(...); draw_xyaxis(); draw_circle(...); draw_arc_deg(...); draw_arc(...); draw_dash_arc(...); M_PI = 3.1415926535898 M_PI_2 = pi/2 M_PI_4 = pi/4 fill_rect(...); fill_circle(...); fill_arc_deg(...); fill_triangle(...); fill_quadrangle(...); fill_polygon(); fill_toborder($x, $y, $border_color_x, $border_color_y); allocate_text_color('black'); allocate_text_color('gray'); allocate_text_color('red'); allocate_text_color('blue'); allocate_text_color('green'); allocate_text_color('purple'); allocate_text_bgcolor('white'); transparent_text_bgcolor(); set_text_size($text_size); set_text_margin($text_margin); set_mark_size($mark_size); draw_text(...); O_POS_LOW_LEFT O_POS_LOW_RIGHT O_POS_UP_RIGHT O_POS_UP_LEFT O_POS_LOW_CENTER O_POS_MIDDLE_RIGHT O_POS_UP_CENTER O_POS_MIDDLE_LEFT O_POS_MIDDLE_CENTER get_o_pos_by_ang($ang); draw_formula(...); ARC_TYPE_NONE ARC_TYPE_SOLID ARC_TYPE_DASH BEG_TYPE_ARROW END_TYPE_ARROW draw_arc_mark(...); draw_corner_mark(...); draw_marked_triangle(...); CMARK_NONE 0 CMARK_1_ARC 1 CMARK_2_ARC 2 CMARK_D_ARC 3 CMARK_1_PIE 4 CMARK_2_PIE 5 CMARK_D_PIE 6 CMARK_SQUARE CMARK_CROSS CMARK_CIRCLE CMARK_DOT draw_mark(...); draw_mark_on_line(...); draw_mark_on_circle(...); MARK_1_LINE MARK_2_LINE MARK_3_LINE MARK_SQUARE MARK_CROSS MARK_CIRCLE MARK_DOT set_x_def_range(...); df1_ax_b($a, $b); df1_x_y($x, $y); df1_2p($x1, $y1, $x2, $y2); df2_ax2_bx_c(...); df2_ax_p2_q(...); df2_a_x_al_x_be(...); df_y_fx($y_fx); df_xt_yt(...); unit_vector(...); calc_angle(...); normalize_ang($ang); calc_da(...); calc_intersec_pt_of_lines(...); calc_intersec_pt_of_lns(...); rot90_vec(...); rot_vec(...); calc_perpendicular_bisector(...); calc_distance(...); calc_circumscribed_circle(...); calc_didtance_to_line(...); calc_foot_of_perpendicular_line(...); calc_parallel_line(...); calc_foot_of_perpendicular_circle(...); calc_intersec_pts_of_line_circle(...); calc_intersec_pts_of_circles(...); calc_inscribed_circle(...); calc_2p_arc(...); calc_3dview(...); clear_canvas(); set_alphablending($alpha = 50); set_antialias($antialias = true); transparent_gif_bgcolor(); xf($x) x_rev($x) yf($y) y_rev($y)
作図プログラムをコンパイルして図形を仮表示する

仮表示

---

作図プログラムをサーバに保存するには、やる勉にログインしてください。

---

日付順 名前順

---

1. 図形の新規作成
2. ログイン