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mihalych1998 [28]
3 years ago
9

This shape is made using three semicircles The smaller semicircle have diameters of 10cm Calculate the shaded area Take 3.142 an

d write down all the digits given be the calculator
Mathematics
1 answer:
CaHeK987 [17]3 years ago
6 0

Answer:

The shaded area is 314.2 cm²

Step-by-step explanation:

Here we have the diameter, d₁ of the smaller semicircles as 10 cm

We note that the larger semicircle is subtended (bounded) by the two smaller semicircles;

1 shaded small semicircle and the other is blank

Therefore, the diameter, d₂ of the large semicircle = 10 + 10 = 20 cm

Also the area of the shaded figure consists of the removal of one small semicircle and the addition of the other semicircle to the area of the larger semicircle such that the area of the shaded figure is as follows

Shaded area of figure = π·d₂²/4 + π·d₁²/4 - π·d₁²/4 = π·d₂²/4 = π×20²/4 = 100×3.142 = 314.2 cm²

Shaded area = 314.2 cm².

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lutik1710 [3]

Answer: it will take 2.5 hours for both people to meet after person B leaves.

Step-by-step explanation:

The distance between the house of person A and his cousin's house is 234 miles.

At the point where they meet, they would have travelled 234 miles.

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Let t represent the time spent by Person A in travelling from his house to the point where they meet.

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Distance covered by person A would be

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One and half hours later, person B leaves his house to visit person A, travelling at an average speed of 62 miles per hour. This means that total time spent by person B in travelling to the point where they meet is (t - 0.5) hours. Distance covered would be

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3 years ago
Which data set does the histogram represent?
MAVERICK [17]

Answer/Step-by-step explanation:

Ok so there is

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The 3rd one has to short of numbers for 0-4.

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Step-by-step explanation:

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jolli1 [7]

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Step-by-step explanation:

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7 0
3 years ago
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