3 years ago

PLEASE HELP SOLVE! FIRST TO SOLVE RIGHT WILL GET BRAINIEST

Mathematics

1 answer:

IrinaVladis [17]3 years ago

3 0

Answer:

40π/3 cm^2

Step-by-step explanation:

The centerline of the shaded region has a radius of 3 +4/2 = 5 cm. Its length is 1/3 of a circle with that radius, so is ...

length of centerline = (1/3)(2π·5 cm) = (10/3)π cm

The shaded region is 4 cm wide, so the area is the product of that width and the centerline length:

(4 cm)(10/3 π cm) = 40π/3 cm^2

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