Question

calculate the area of shaded region..
Hint : 5)a) 126cm² b) 54cm² c) 300cm²

Answer 1

Answer:

5.a) area of the shaded region

(12×8) sq cm +1/2.12.5 sq cm

=(96+30) sq cm

=126 sq cm

b) area of the shaded region

1/2.8.6 sq cm +1/2.6.√(8^2+6^2) sq cm

=24 sq cm+3.√(64+36) sq cm

=24 sq cm+3.√100sq cm

=24 sq cm+3.10 sq cm

=(24+30) sq cm

=54 sq cm

c) area of the shaded region

12×20 sq cm+1/2.12.10 sq cm

=240 sq cm+60 sq cm

=300 sq cm

Answer 2

a)126 cm²

b)54cm²

c) 300cm²