ABCD is a square where P, Q, R and S are the mid-points of AB, BC, CD and DA respectively, then find the area of shaded region?
(a) 16 cm²
(b) 24 cm²
(c) 28 cm²
(d) 32 cm²
Sol:
Area of square ABCD = 2 × (62.5 + 65.5)
= 256 cm²
Now area of ∆PQR =1/8*256
= 32 cm²