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MArishka [77]
3 years ago
13

the floor of the truck is 36 inches high and the bottom of the ramp needs to be 323 inches from the truck. how long does Abraham

need to make the ramp?
Mathematics
2 answers:
Volgvan3 years ago
8 0

Answer:

About 324.96 inches

Step-by-step explanation:

Pythagorean Triangle Formula: a²+b²=c²

36²+323²=c²

1296+104329=c²

c²=105,598

<em>Square root both sides</em>

c=\sqrt{105,598}

c=324.958459 inches≈324.96 inches

beks73 [17]3 years ago
5 0
325 inches because of pythagorus
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Answer:

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Step-by-step explanation:

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3 years ago
If sinA=√3-1/2√2,then prove that cos2A=√3/2 prove that
Ivan

Answer:

\boxed{\sf cos2A =\dfrac{\sqrt3}{2}}

Step-by-step explanation:

Here we are given that the value of sinA is √3-1/2√2 , and we need to prove that the value of cos2A is √3/2 .

<u>Given</u><u> </u><u>:</u><u>-</u>

• \sf\implies sinA =\dfrac{\sqrt3-1}{2\sqrt2}

<u>To</u><u> </u><u>Prove</u><u> </u><u>:</u><u>-</u><u> </u>

•\sf\implies cos2A =\dfrac{\sqrt3}{2}

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We know that ,

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Simplify the whole square ,

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Add the numbers in numerator ,

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Take out 2 common from the numerator ,

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Simplify ,

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Subtract the numbers ,

\sf\implies cos2A = \dfrac{ 2-2+\sqrt3}{2}

Simplify,

\sf\implies \boxed{\pink{\sf cos2A =\dfrac{\sqrt3}{2}} }

Hence Proved !

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Answer:

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