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:
960cm³
Step-by-step explanation:
Find the base of the triangle (use phytagoras theorem)
c²= a²+b²
20²= 16²+b²
400=256+b²
b²=400-256
b²= 144
b=
base= 12
Volume: (1/2×b×h)×l
= (1/2×12×16)×10
=(6×16)×10
=96×10
=960cm³
Answer: 82.28 cm^3
Step-by-step explanation: