math 7b area of rectangles and triangles quick check

1. What is the formula for finding the area of a rectangle?

Answer: The formula for finding the area of a rectangle is length x width.

2. What is the formula for finding the area of a triangle?

Answer: The formula for finding the area of a triangle is base x height / 2.

3. Calculate the area of a rectangle with a length of 5 cm and a width of 3 cm.

Answer: Area = length x width = 5 cm x 3 cm = 15 cm²

4. Calculate the area of a triangle with a base of 8 cm and a height of 4 cm.

Answer: Area = base x height / 2 = 8 cm x 4 cm / 2 = 16 cm²