Question

the diagram shows a swuare with perimeter 20cm. work out the percentage of the area inside the square that is shaded (height 3cm width 3.5 cm)​

Answer 1

Answer:

Area of shaded region =

(1/2)(2)(5) + (1/2)(1.5)(5) = 5 + 3.75

= 8.75 cm²

Percent of area inside square that is shaded = 8.75/25 = 7/20 = 35%