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Taya2010 [7]
3 years ago
6

HELP PICTURE IS SJOWN

Mathematics
1 answer:
jek_recluse [69]3 years ago
3 0
Letter B is the answer

Number of sides (n) = 8
Apothem (a) = 18.11 units
Side (s) = 15 units

Area of Octagon = (1/2)n*a*s
A of O= (1/2)*8*18.11*15
A of O= 1086.6 units^2


Area of Square = s^2
A of S = 15^2
A of S = 225 units^2


Area of Shaded Region = A of O - A of S
A of S.R. = 1086.6 units^2 - 225 units^2
A of S.R. = 861.6 units^2
A of S.R. = 862 units^2



LETTER B
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Answer:

C. Supplementary angles

Step-by-step explanation:

Given

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Required

Relationship of <AFB and <AFD

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From the presentation of both angles,

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Substitute 72 for <AFB

72 + <AFD = 180

Make <AFB the subject of formula

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3 years ago
The points (-2, 6) and (2, r) lie on a line with slope 3. Find the missing coordinate r.
sashaice [31]
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EXPLANATION:

6 0
2 years ago
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tangare [24]

Answer:

I think Vivek is 20 and his father is 50

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6 0
3 years ago
Read 2 more answers
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8 0
3 years ago
BACK AT IT AGAIN WITH 100 POINTSSSSS!!! FIRST ONE TO ANSWER GETSSSSSS BRAINLIEST!!!!!
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Thank you!!!!!!!!!!!!!
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