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Alex_Xolod [135]
3 years ago
10

Can someone help :(!

Mathematics
2 answers:
tester [92]3 years ago
5 0

Answer:

A

Step-by-step explanation:

You should know the area of a circle, A = πr².

So, all you need to find is the area of half a circle, or A = \frac{1}{2} πr²

We see that the radius is half of the diameter or r = 6 in.

A = \frac{1}{2} (3.14)(6)²

A = 56.52 in²

Vlad1618 [11]3 years ago
4 0
The awnser for this should be a
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Please answer correctly !!!! Will mark brainliest !!!
Gala2k [10]

Answer:d

Step-by-step explanation:

8 0
3 years ago
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How do I solve for y?
vivado [14]
Short Answer: y = 36°
Remark
What an interesting question!! The first thing you have to do is find out what the interior angle of a regular pentagon is. After you have done that, you can calculate y.

Method.
The exterior angles of a regular figure add up to 360°. 

Step One

Find out the size of the exterior angles of a  regular pentagon. 
There are 5 such angles. They add up to 360°

5x = 360  Divide by 5
x = 360 / 5
x = 72°

Step Two
Find out the value of the interior angles of a pentagon.

Method
The interior and exterior angles add up to 180°
Exterior Angle + Interior Angle = 180°
Exterior angle = 72 degrees
72° + Interior Angle = 180°                  Subtract 72 from both sides.
Interior Angle = 180° - 72° 
Interior Angle = 108°

Step Three
Solve for y.

There are 3 tiles each with an angle of 108° that are placed together. So y + 3 interior angles = 360°

y + 3*interior angles = 360°
y + 3*108 = 360 
y + 324 = 360 Subtract 324 from both sides.
y = 360 - 324
y = 36°

7 0
3 years ago
Can some break this down step by step please I'm confused?​
frutty [35]

take 16+5=21. 29-21=8 so answer is 8

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3 years ago
Please help me, im desperate
Arada [10]

Answer: C. “BEC”

Step-by-step explanation:

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2 years ago
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makvit [3.9K]

The first; 10.7a-8.1b

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3 years ago
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