kalroussmith1
kalroussmith1 kalroussmith1
  • 25-07-2021
  • Mathematics
contestada

find the missing side lengths​

find the missing side lengths class=

Respuesta :

ANUSARA
ANUSARA ANUSARA
  • 25-07-2021

Answer:

X = 18

Y = 9√3

Step-by-step explanation:

use sin equation for right angle triangle

The sine of the angle

= ( the length of the opposite side ÷ the length of the hypotenuse.)

according to this question,

sin 30 = 9 / X

1/2 = 9 / X

X = 18

use cosine to find y

The cosine of the angle

= (the length of the adjacent side ÷ the length of the hypotenuse.)

cos 30 = y/x

√3/2 = y/ 18

y = 9 ✓3

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