raneanea raneanea

23-01-2017
Mathematics

Answered

Cab some one please answer this!!!!!!!!

find area of shaded part

(for the second image measure of line segment bc equals to 4 cm).

Cab some one please answer this!!!!!!!! find area of shaded part (for the second image measure of line segment bc equals to 4 cm). class=

Verified Answer :

nobillionaireNobley nobillionaireNobley

30-01-2017

For figure 1:
Area of shaded region = 80/360 x π x 9^2 = 56.55 square cm

For figure 2:
Area of shaded region = 120/360 x π x 7^2 - 120/360 x π x 3^2 = π/3(49 - 9) = 40π / 3 = 41.89 square cm

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