The figure shows a big square that is made up of a small square with area 100 cm
2 and 8 right-angled triangles with a base of 6 cm.
- Find the height of each triangle.
- Find the area of the big square.
(a)
Length of the small square
= √100
= 10 cm
Height of each triangle
= 10 + 6
= 16 cm
(b)
Length of the big square
= 16 + 6
= 22 cm
Area of the big square
= 22 x 22
= 484 cm
2 Answer(s): (a) 16 cm; (b) 484 cm
2