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8090 [49]
3 years ago
15

Background info: Two friends are trying to decide how long their ladder should be for the zip line they are building. There are

two choices: 40ft or 25ft
i chose 40ft. the ladder is leaning against the tree at a 75 degree angle. i need to fill in the missing angles, but am stuck. pls help ;(

Mathematics
1 answer:
alekssr [168]3 years ago
3 0
U can find the angle by adding 90 degrees and 75 degrees which equals 165 degrees. with this, you can do the equation 180-165 which equals 15. 15 is the answer for the missing degree. all angles in a triangle must equal 180 degrees when u add them together. for the angle on the right, same thing. 90+80 which equals to 170. so 10 is the degree for the angle on the right.
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