Question

Abcd is a trapezium with ab | | dc, ab = 18 cm, dc = 32 cm and the distance between ab and dc is 14 cm. If arcs of equal radii 7 cm have been drawn, with centres a, b, c and d, then find the area of the shaded regio

Answer 1

area of trapezium=350

area of circle=153.94

the area of shaded region=area of trapezium-area of circle

350-153.94

196.06

ans: 196.06sq cm