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nikklg [1K]
3 years ago
6

What is the area of a regular pentagon with a side of 20 inches? can you explain?

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0

here is the answer: A≈688.19in²

I cant really give you an explanation though

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Sauron [17]
21 not sure but you can do it
6 0
3 years ago
I need help with this one
timama [110]

Answer:

A, it is the 3rd line in a set of 8. 1/8 equals .125 Multiply 3X.125 and it equals .375

Step-by-step explanation:

5 0
3 years ago
Whats the perimeter and area of this shape?
stich3 [128]

Answer:

<u>60+14.35=88.27</u>

Step-by-step explanation:

5x12 for the rectangle on the right, then for the circle, using the formula A=πr², I get 28.27, which you divide by 2 because you only need half of the circle, and you get 88.27. I calculated the radius by subtracting 12-6 and then dividing that in half because the radius is half of the distance to the other end of the circle. Then you get the radius of 3, then plug it into the formula to get π(3)², which is just 3.14(9), and you get 28.27.

8 0
3 years ago
Read 2 more answers
write the equation of the line in slope - interact firm given the slop and the coordinates of the y-intercept. m=3/5; (0,1/6)
brilliants [131]
Y - y₁ = m(x - x₁)
y - ¹/₆ = ³/₅(x - 0)
y - ¹/₆ = ³/₅(x) - ³/₅(0)
y - ¹/₆ = ³/₅x - 0
<u>  + ¹/₆         + ¹/₆
</u>       y = <u><em /></u><em />³/₅x + ¹/₆
       y = ³/₅(0) + ¹/₆
       y = 0 + ¹/₆
       y = ¹/₆
5 0
3 years ago
Read 2 more answers
What is the measure of the<br> third angle of this triangle?
Illusion [34]

Answer:

20 degrees

Step-by-step explanation:

every triangle had 3 angles that all add up to 180

the problem gives you two angles which are 120+40 which is 160

180-160 is 20 degrees which is whi it is the answer

3 0
2 years ago
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