Select the Polygonal Lasso Tool (l) and create a triangular shape -holding down the Shift key whilst making the triangle will ensure each side is perfectly straight.
使用多边形套索工具(L)按住shift，创建一个三角形，以保证每条线都是直的。
By line one does not mean a straight line, or a circle or a triangle, but the.
所谓线条，并不是指一条直线，一个圆圈，或一个三角形，而是大自然的。
Let's say you're looking straight ahead at the surface of a triangle .
话又说回来，你直接看到的是一个三角形的表面。
Hypotenuse of the composite triangle is actually not a straight line - it is made of two lines.
直角三角形的斜边不是直线-是两条线组成的。
Triangle can be divided into three lines, thus indicating a triangle can be decomposed into a straight line drawn under the two procedures.
三角形可分割为3条直线，因此显示三角形就可分解为根据两点画直线的程序。- Programming。
Triangle can be divided into three lines, thus indicating a triangle can be decomposed into a straight line drawn under the two procedures.
三角形可分割为3条直线，因此显示三角形就可分解为根据两点画直线的程序。- Programming。
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