Question

find the area of the shaded region​

Answer 1

Answer:

478.75

Step-by-step explanation:

Area of the trapezium = 1/2(35+45)(24) = 80X12 = 960

Area of the semi circle = 22/7 X 35/2 X 35/2 X 1/2 = 1925/4 = 481.25

Area of Shaded region = 960 - 481.25 = 478.75

Answer 2

Answer:

1) area of trapezium=1/2×(sum of parallel sides)×h

=1/2×(35+45)×24

=1/2×80×24

=80×12

=960cmsq.

2)area of semi circle=1/2πrsq.

=1/2×22/7×35/2

=1/2×11×5

=55/2

=27.5cmsq.

AREA OF SHADED PORTION=AREA OF TRAPEZIUM-AREA OF SEMI CIRCLE

=960-27.5

=932.5cmsq

explanation:

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