Please help me worth 18 points

asked Nov 1, 2022 197k views

4 votes

by Mule

3.6k points

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4 votes

Answer:

Explanation:

$1)\cos\ Q = (PQ)/(QR) = (√(7))/(5)$

$2)\ PQ = 2XY, PQR\ and\ XYZ\ - similar\ =>\ RQ = 2YZ\ and\ PR = 2XZ$

$3)\ Sin\ Z = (XY)/(YZ) = ((PQ)/(2))/((QR)/(2)) = (PQ)/(QR) = (√(7))/(5)$

$Answer: \ (√(7))/(5)$

Ellice answered Nov 5, 2022

3.8k points

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