miraholly miraholly

19-07-2020
Mathematics

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What is the height, x, in the triangle below? A. 2√5 B. 5 C. 5√2 D. 10

What is the height x in the triangle below A 25 B 5 C 52 D 10 class=

Respuesta :

19-07-2020

Answer:

D:10

Step-by-step explanation:

find hyp. first

sin 45=opp/hyp.

√2/2=10/hyp.

hyp.=20/√2 0r 10√2

Pythagorean theorem: a²+b²=c²

now find x²=(10√2)²-10²

x²=200-100

x²=100

x=√100=10

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