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3 years ago

Could someone explain? i will have brainliest! thanks

Mathematics

1 answer:

dlinn [17]3 years ago

8 0

Answer:

a. 44

Step-by-step explanation:

using inverse cosine we can find the angle since we have the length of the hypotenuse and adacent

cos^-1 (13/18) = 43.76

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What is the surface area?

olasank [31]

Hello from MrBillDoesMath!

Answer:

152 in^2

Discussion:

Surface area =

2 (area of side triangle + area of rectangle face) +

area of bottom rectangle

= 2 ( (1/2) 6*4 + 5*8 ) + 8*6

= 2 ( (1/2) 24 + 40 ) + 48

= 2 (12 +40 ) + 48

= 2(52) + 48

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= 152

Thank you,

MrB

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4 years ago

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Answer:

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Step-by-step explanation:

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