juliaaking10 juliaaking10

20-12-2019
Mathematics

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A 20ft ladder leans against a building and it touches the building 18ft above the ground. What is the angle of elevation that the ladder makes with the ground

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Ellen67 Ellen67

20-12-2019

Answer:

The angle is [/tex]64.1581^{\circ}[/tex]

Step-by-step explanation:

You can figure this out using the sine function:

[tex]\sin(v)=\frac{18 ft}{20 ft} \\= \frac{9}{10}\\ v= \arcsin(\frac{9}{10} )\\= 64.1581^{\circ}[/tex]

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