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tamaranim1 [39]
3 years ago
12

How would Devons sister find the correct price.

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0
Formula is needed to solve problem
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Find the radius of the sphere with a volume of 32/81π cubic yards. Write your answer as a fraction in simplest form.
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2/3 yards or 2 feet

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the angle of elevation of the top of a tower from a point 42m away from the base on level ground is 36 find the height of the to
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30.51 meters

Step-by-step explanation:

Given that:

The distance from the point to the base of the tower = 42 m, the angle of elevation = 36°.

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\frac{a}{sin(A)} =\frac{b}{sin(B)}=\frac{c}{sin(C)}

Let the height of the tower be a and the angle opposite the height be A = angle of elevation = 36°

Also let the  distance from the point to the base of the tower be b = 42 m, and the angle opposite the base of the tower be B

To find B, since the angle between the height of the tower and the base is 90°, we use:

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B + 126 = 180

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B = 54°

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\frac{a}{sin(A)} =\frac{b}{sin(B)}\\\\\frac{a}{sin(36)}=\frac{42}{sin(54)}\\\\  a=\frac{42*sin(36)}{sin(54)}\\ \\a=30.51\ meters

The height of the tower is 30.51 meters

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