2 years ago

How to do arc measurements?

1 answer:

3 0

Answer: divide the arc's central angle in degrees by 360. Then, multiply that number by the radius of the circle. Finally, multiply that number by 2 × pi to find the arc length.

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0.09 is 10 times as much as ?

ANEK [815]

To find out the answer we divide 0.09 by 10: $0.09$ ÷10=0.009. Therefore, 0.09 is 10 times as much as 0.009.

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3 years ago

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Using the formula T=7V+W, find the value of V when T = 26 and W = 5

ivann1987 [24]

26=7v + 5
21=7v
V=21/3
V=3

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3 years ago

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Given ZW=20. Answer the questions please.

djyliett [7]

a) Corresponding angles of similar figures are congruent, so $\angle B \cong \boxed{\angle Z}$

b) Scale factor = (image)/(preimage). Since we are looking for ABCD to WZYX, this means that WZYX is the image and ABCD is the preimage. Thus, the scale factor is $\frac{25}{10}=\boxed{5/2}$