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nignag [31]
3 years ago
12

Find the product mentally.

Mathematics
2 answers:
Rainbow [258]3 years ago
6 0

A) r^2 - 2rs+s^2

...............................

nataly862011 [7]3 years ago
5 0

Step-by-step explanation:

A is the answer to the question

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3 years ago
A ladder is placed 30 inches from a wall. It touches the wall at a height of 50 inches from the ground.
tankabanditka [31]
To find the length of the ladder, you need to do Pythagorean theorem.
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2500 + 900 = x^2
x^2 =3400
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To find the angle:
tan theta = opposite/adjacent
50/30 = 5/3
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