3 years ago

What is the measure of a?

Mathematics

1 answer:

Eddi Din [679]3 years ago

3 0

Answer:

I think 60

Step-by-step explanation:

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What step comes first to solve 18/2 - 5 + 7 - 12

klemol [59]

Answer:

You would do 18/2 first.

Step-by-step explanation:

In order of P.E.M.D.A.S (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction), Division is the first main operation you would do, therefore making 18/2 the first thing to do.

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A sector of a circle of 7cm has an area of 44cm².calculate the angle of the sector,correct to the nearest degree π =22\7

Hitman42 [59]

Answer:

$\theta=102.85^{\circ}$

Step-by-step explanation:

Given that,

The radius of circle, r = 7 cm

The area of sector, A = 44cm²

We need to find the angle of the sector. The formula for the area of sector is given by :

$A=\dfrac{\theta}{360}\pi r^2$

Solve for $\theta$ .

$\theta=\dfrac{360A}{\pi r^2}\\\\\theta=\dfrac{360\times 44}{\dfrac{22}{7}\times 7^2}\\\\\theta=102.85^{\circ}$

So, the angle of the sector is equal to $102.85^{\circ}$ .

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The diameter of a semicircle is 8 miles. What is the semicircle's perimeter? Use 3.14 for .

wlad13 [49]

Answer:

41.13 cm

Step-by-step explanation:

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3 years ago

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.What is answer pls help me with this very important question. <br><br> 9 + 10 (78) =

Korolek [52]

Answer:

789

Step-by-step explanation:

9+10(78)

9+10*78

9+780

789

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What is the measure of a?​

What is the measure of a?