Question

How can the area of this triangle be determined by forming a rectangle? Select from the drop-down menus to correctly complete the statements. Copy and rotate the triangle and place it next to the existing triangle to form a rectangle.

The length of the rectangle is (Choose: 4, 5, 8,or 10) units.

The width of the rectangle is (Choose:4, 5, 8,or 10) units.

The area of the rectangle is (Choose: 10, 16,20,or 25)square units .

The area of the triangle is half the area of the rectangle, so the area of the triangle is (Choose:10, 16, 20 or 25) square units.​

Answer 1

1. 4 (height)

2. 5 (length)

3. 20 because you multiply 4×5

4. Devide 20 by 2 and you get 10 units.

Answer 2

1. 4

2.5

3.20

Explanation:

you literally just count the squares