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tiny-mole [99]
3 years ago
9

Find the area of a circle with radius, r = 5.99m. Give your answer rounded to 2 DP.

Mathematics
1 answer:
GalinKa [24]3 years ago
3 0

Answer: 112.72

Step-by-step explanation: We know that the formula for area of a circle is pi*r^2. Now we plug in the values. pi*5.99^2. Next we get rid of the exponent. 5.99*5.99 = 35.8801. Now we have pi*35.8801. Now if you are gonna use actual pi for this your answer would be 112.72065857. Round it to 2 decimal points and you have 112.72 . If you do 35.8801*3.14=112.663514 -> Round this and you have 112.66. So any of them would actually work but I would stick with 112.72.

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andre [41]

Given:

The angles are:

Example 54^\circ

1. 63^\circ

2. 87^\circ

3. 45^\circ

4. 72^\circ

5. 5^\circ

To find:

The complimentary angle of the given angles.

Solution:

If two angles are complimentary, then their sum is 90 degrees.

Example: Let x be the complimentary angle of 54^\circ, then

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Similarly,

1. The complimentary angle of 63^\circ is:

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2. The complimentary angle of 87^\circ is:

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3. The complimentary angle of 45^\circ is:

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4. The complimentary angle of 72^\circ is:

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5. The complimentary angle of 5^\circ is:

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