A 25-ft ladder leans against a building so that the angle between the ground and the ladder is 51 degrees. How high does the lad
der reach up the side of the building? Please round your answer to 2 decimal places.
1 answer:
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Answer:
5.66 inches
Step-by-step explanation:
a² + 7² = 9²
a² + 49 = 81
a² + 49 - 49 = 81 - 49
a² = 32
a = square root of 32
a = 5.6568 or 5.66 inches
I used the Pythagorean Theorem to solve this.