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Shtirlitz [24]
3 years ago
5

Need help!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Leni [432]3 years ago
8 0

Answer:

145,7

Step-by-step explanation:

The area of the circle is 2πr

The area of the rectangle is b·h

Applied to this figure is:

2·π·r = 2·3,14·5 = 31,4 this is a semicircle so you have to divide by 2.   31,4/2 = 15,7

b·h = 13·10 = 130 (you can know the high because the double of the radio is the diameter)

130 + 15,7 = 145,7

ss7ja [257]3 years ago
4 0

Answer:

103.8 units^2

Step-by-step explanation:

rectangle:

13*5=65

semi-circle:

5*5*3.1=77.5

77.5/2=38.75

38.75+65=103.75 units^2

round to 103.8

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