How to find the measure of angels

2 answers:

7 0

To find the measure of the smallest angle of the triangle, we multiply 4 times 10. So, 4 x 10 = 40. Remember, the sum of the angles of a triangle is 180 degrees. Just take what you are given in a problem and try to determine what will make the final angle add up to 180 degrees.

Pepsi [2]3 years ago

3 0

Yup, she has the right concept

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Answer:

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Step-by-step explanation:

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What is the area of the shaded region to the nearest tenth?

Aleks04 [339]

Answer:

15.1

Step-by-step explanation:

We know that the area of the circle is $\pi r^{2}$ , but we are looking for the portion of the circle, this means we multiply it by the portion of the circle that is shaded.

Area of shaded region = $\pi r^{2} (\frac{x}{360} )$

where r = 4 and x = 108, the 360 comes from the fact that the total degrees around the circle is 360, so dividing the total amount of degrees by the angle will give us the portion we are looking for.

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Another way to think about it is that the area of the total circle is $\pi r^{2}$ , multiplying it by a fraction, a number less than 1, would give us a smaller value.

Hope this helps.

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3 years ago