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sergij07 [2.7K]
2 years ago
15

Find the area of this semi-circle with radius,

Mathematics
1 answer:
timofeeve [1]2 years ago
5 0

The area of this semi-circle with a radius of 10cm will be A=100\pi Square cm.

<h3>What is the Area of the circle?</h3>

The Area of the circle is the area enclosed by the circle in the two-dimensional plane.The formula for the area of the circle is given by:

A=\pi r^2

here r is the radius of the circle r=10cm

So the area of the circle will be:

A=\pi r^2

A=\pi \times {10}^2

A=100\pi\ cm^2

Hence the area of this semi-circle with a radius of 10cm will be A=100\pi Square cm.

To know more about the Area of the circle follow

brainly.com/question/14068861

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A coin and a die is rolled. What is the probability of a head and a 3?
saw5 [17]

Answer:

1/6

Step-by-step explanation:

The probability of <em>only</em> a heads on a coin is 1/2, and the probability of <em>only</em> a 3 on a die is 1/6. Multiply them together, and you get 1/6.

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3 years ago
Lily just paid off a $400 loan. She had to pay $60 in interest at a simple annual interest rate of 5%. How many years did Lily h
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Step-by-step explanation:

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3 years ago
Evaluate the expression when a=9.<br> 2a2
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36

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3 years ago
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Find the total composite area​
prohojiy [21]

Answer:

Times, and conquer.

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First half the picture, for the circle and square. so we know the base is 28m, and the length including the circle is 24. So now times the two numbers and bam your answer.

3 0
2 years ago
Cynthia invests some money in a bank which pays
lidiya [134]

Answer:

£6911 is the smallest amount Cynthia should invest to get £8000 after three years

Step-by-step explanation:

lets Assume that amount needs to invested for three years = £ x Rate of Interest = R = 5% per year Duration in years = n = 3 year

Amount expected after three years when compounded annually =  A = £8000 Formula for Amount of compound interest annually is a follows A = P( 1 + R/100)^n In our case Principal P = x , Amount A = 8000 , R = 5% and n = 3( since compounded annually). On substituting these values in above formula we get 8000 = x ( 1 + 5/100)^3 ⇒8000 = x ( 105/100)^3 ⇒8000 = x ( 21/20 )^3 ⇒(8000 × 20 × 20 × 20)/(21×21×21) = x ⇒x = 6910.70≈6911

Hence £6911 is the smallest amount Cynthia should invest to get £8000 after three years

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