Malia27 Malia27

02-06-2021
Mathematics

contestada

Find QR.

Write your answer as an integer or as a decimal rounded to the nearest tenth.

QR = ___

Find QRWrite your answer as an integer or as a decimal rounded to the nearest tenth QR class=

Respuesta :

bhadelsimron19 bhadelsimron19

02-06-2021

Answer:

Step-by-step explanation:

take 64 degree as reference angle

using cos rule

cos 64=adjacent/hypotemuse

0.43=QR/10

10*0.43=QR

4.3=QR

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