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Phantasy [73]
1 year ago
6

What is the written form for 12/(4-2.3)

Mathematics
1 answer:
kap26 [50]1 year ago
4 0

Answer:

Twelve over the quantity of four minus two point three

Step-by-step explanation:

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Step-by-step explanation:

Given that,

The length of a ladder, H = 20 feet

The height of the wall, h = 15 ft

We know that,

\sin\theta=\dfrac{h}{H}

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So,

\sin\theta=\dfrac{15}{20}\\\\\theta=\sin^{-1}(\dfrac{15}{20})\\\\\theta=48.59^{\circ}

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b=\sqrt{H^2-h^2}\\\\b=\sqrt{20^2-15^2}\\\\b=13.2\ ft

Hence, the angle made by the ladder and the ground is 48.59° and the ladder is 13.2 feet from the wall on the ground.

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