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Gre4nikov [31]
2 years ago
11

Find the value of the variable.

Mathematics
1 answer:
Likurg_2 [28]2 years ago
3 0

Step-by-step explanation:

cos ● = adjacent / hypotenuse

cos ● = 3 / x

cos 60 = 3 / x

0.5 = 3/ x

0.5x = 3

× = 6

tan ● = opposite / adjacent

tan 60 = y / 3

1.73 = y / 3

1.73 (3) = y

y = 5.19

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Michelle found the area of a circle as 78.5 . She used 3.14 for π. What is the radius of the circle? Explain how you found your
NikAS [45]

Answer:

5 units

Step-by-step explanation:

Given:-

- The area of the circle was computed to be A = 78.5

- The value of π is estimated to be = 3.14

Find:-

What is the radius of the circle?

Solution:-

- The area of a circle (A) with radius ( r ) is computed by the following formula:

                            A = π*r^2

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