Упр.14 Appendix 1 Математика ГДЗ Enjoy English 10 класс

14. Say if the statements below are true or false.
    1. The perimeter of a rectangle equals the sum of the lengths of its sides.
    2. The sum of the angles of any triangle is one hundred and eighty degrees.
    3. The length of one side of the triangle can be greater than the sum of the length of the other two sides.
    4. We can find out the area of a rectangle if we multiply side $$a$$ by side $$b$$.

1. True — the perimeter of a rectangle is the sum of the lengths of all its sides.

2. True — the sum of the angles of any triangle is 180 degrees.

3. False — one side of a triangle cannot be greater than the sum of the other two sides.

4. True — the area of a rectangle is found by multiplying side a by side b.