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Effectus [21]
2 years ago
9

Jason is painting a large circle on one wall of his new apartment. The diameter of the circle will be 8 feet. Approximately how

many square feet of wall will the circle cover?

Mathematics
2 answers:
vampirchik [111]2 years ago
6 0

Answer:

about 50.3 feet squared

Step-by-step explanation:

Area of Circle= pi times radius squared

8/2=4

radius=4

4x4=16

Area=16 pi feet

about 50.3 feet sqared

balu736 [363]2 years ago
3 0

Answer:

50.27

Step-by-step explanation:

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Please can someone help me?
Debora [2.8K]
If the perimeters are equal, you can form an equation to find x:
x + x + 12 + x + x + 12 = x + 11 + x + 11 + x + 16
4x + 24 = 3x + 38
- 3x
x + 24 = 38
- 24
x = 14
Now you can substitute the x value into the perimeter:
(4 × 14) + 24
56 + 24 = 80 cm

(3 × 14) + 38
42 + 38 = 80 cm

So the perimeter would be 80 cm.
I hope this helps!
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Find the surface area of the triangular prism.<br><br> 15.6 cm<br> 10 cm<br> 11 cm<br> 12 cm
dimulka [17.4K]

Answer:

533.6cm²

Step-by-step explanation:

Hello!

I'm here to answer your question!

<u>Area of each triangular base:</u>

\frac{1}{2}(12)(10)=60

<u />

<u>Area of the rectangular faces:</u>

12\times 11 =132

15.6\times 11=171.6

10\times 11=110

<u>Add to find the surface area:</u>

60+60+132+171.6+110=533.6

Thus, the surface area of the triangular prism is = 533.6 yd²

Hope this helps you!

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Josh

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Answer:

The second one

Step-by-step explanation:

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