3 years ago

SOMEONE PLEASE HELP ME... I NEED TO FIND THE AREA OF THIS POLYGON

Mathematics

2 answers:

Ray Of Light [21]3 years ago

8 0

Divide polygon into 3 shapes

5x7 = 35

11x11 = 121

6x5 = 30

35+30 + 121 = 186 units squared

Answer is A

svetoff [14.1K]3 years ago

7 0

Answer:

Step-by-step explanation:

You are right

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The height of a right circular cylinder is 1.5 times the radius of the base. What is the ratio of the total surface area to the

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Let r represent the radius of cylinder.

We have been given that the height of a right circular cylinder is 1.5 times the radius of the base. So the height of the cylinder would be $1.5r$ .

We will use lateral surface area of pyramid to solve our given problem.

$LSA=2\pi r h$ , where,

LSA = Lateral surface area of pyramid,

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h = height.

Upon substituting our given values in above formula, we will get:

$LSA=2\pi r\cdot (1.5)r$

Now we will find the total surface area of cylinder.

$TSA=2\pi r(r+h)$

$TSA=2\pi r(r+1.5r)$

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