Question 2 on page 56: The side lengths of the large and small squares in the picture below are 10 cm and 7 cm respectively. Find the area of each right triangle.

10x 10= 100 (square centimeter)

7x7=49 (square centimeter)

100-49=5 1 (square centimeter)

5 1/4= 12.75 (square centimeter)

A: The area of each right triangle is 12.75 square centimeters.