Question

Заполните пропуски словами, используя изученный лексический материал
1)Perpendicular means at____angle to another line or plane
2)Triangles have three____
3)Squares have____sides and their sides are____
4)Tranles, squares and rectangles have____sides

Answer 1

1) Perpendicular means at right angle to another line or plane
2) Triangles have three sides.
3) Squares have four sides and their sides are equal.
4) Tranles, squares and rectangles have four sides