Area
1. The Perimeters of two squares are 40 cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.
A. 6 cm
B. 4 cm
C. 12 cm
D. 24 cm
D. 24 cm
2. Find the area of a right-angled triangle whose base is 12 cm and hypotenuse 13 cm.
A. 30 cm square
B. 1 cm square
C. 25 cm square
D. 16 cm square
A. 30 cm square