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Tasya [4]
3 years ago
7

Please helpp What is the area of the purple region? What is the area of the green region?

Mathematics
1 answer:
butalik [34]3 years ago
8 0

what do we need to know:

the radius of the semi circles;

the area of:

  purple region = area of a circle = pi * r^2;

  green region = base * height;

what we know:

the base, 28m;

what the sum of the two diameters is, 28;

the length of a single diameter, 14;

what we can assume:

the two semi-circles are equal, as otherwise i cannot see a way to answer this;

the radius of the two semi-circles, 7m as the two diameters = 28, & d/2 = r

what does that mean:

the height is 17m

green region area = 476 m^2

purple region area is = 153.96 m^2

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