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vichka [17]
3 years ago
9

The rhumbas has a perimeter or 16 and height of 3 what is the area ?

Mathematics
2 answers:
daser333 [38]3 years ago
6 0
I think the answer is 15 cuz if the height is 3; 3 on each side is 6 so 6-16=10 and 10 divided by 2 for the two others sides is 5… and 5x3=15
Norma-Jean [14]3 years ago
4 0

Answer:

A=\frac{3\sqrt{55}}{2}

Step-by-step explanation:

For a height h, a perimeter P, and an area A, use the following formula:

A=\frac{1}{4}h\sqrt{P^{2}-4h^{2} }

Next, replace the variables with the given values:

A=\frac{1}{4}(3)\sqrt{(16)^{2}-4(3)^{2} }

Solve the inside of the square root:

A=\frac{1}{4}(3)\sqrt{256-36}\\A=\frac{1}{4}(3)\sqrt{220}

Multiply outside of the square root:

A=\frac{3}{4}\sqrt{220}\\

Simplify the square root:

A=(\frac{3}{4})2\sqrt{55}\\

Multiply outside of the square root once more:

A=\frac{3}{2}\sqrt{55}\\

Simplify:

A=\frac{3\sqrt{55}}{2}, or ≈ 11.12429773

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3 years ago
The measure of an exterior angle of a regular polygon is 2x and the measure of an interior angle is 4x Find the measure of one i
kolbaska11 [484]

Answer:

Part a) The measure of an exterior angle is 60°

Part b) The measure of an interior angle is 120°

Step-by-step explanation:

step 1

Find the value of x

we know that

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The sum of an interior angle plus an exterior angle must be equal to 180 degrees (supplementary angles)

so

2x+4x=180

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step 2

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substitute the value of x

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step 3

Find the measure of an interior angle

4x

substitute the value of x

4x=4(30)=120\°

In this problem the regular polygon is a hexagon

6 0
3 years ago
Brand A scooter has a top speed that goes 2 miles per hour faster than Brand B. if after hours, Brand A scooter traveled 24 mile
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