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ArbitrLikvidat [17]

2 years ago

10

A 13-foot ladder is placed against a vertical wall of a building with the bottom of the ladder standing on level ground 7 feet f

rom the base of the building. how high up the wall does the ladder reach?

1 answer:

NARA [144]2 years ago

6 0

Answer:

64

Step-by-step explanation

8 times 8 is 64 just write that down

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If the length of side a is 12 centimeters, measure of angle B = 36 degrees and measure of angle C = 75 degrees , what is the len

Fofino [41]

The length of side b is 7.61 m.

Here's how the length was calculated:

Let:

length of side a = 12 centimeters
B = 36 degrees
C = 75 degrees

In order to solve an AAS triangle, use the three angles, add to 180 degrees to find the other angle, then, use The Law of Sines to find each of the other two sides.

A = 180 - (36 + 75) = 69 degrees

by using the law of sines:

a / sin A = b / sin B = c/ sin C

we will substitute the given values:

12 / sin (69) = b / sin (36)

b = unknown

12 / 0.93 = b / 0.59

12.9 = b / 0.59

b = 12.9 * 0.59

b =7.61 cm (length of side b)

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Step-by-step explanation:

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