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Given that QT is an altitude of triangle QRS, measure of angle QTS=(6x+36), and QR = 2x – 5, find QR.

a. 7
b. 9
c. 11
d. 13

User Hos Ap
by
5.8k points

2 Answers

7 votes

Answer: It is D. 13 on edge-nuity!


User Hyomin
by
6.1k points
5 votes
we know that
if QT is an altitude of triangle QRS
then
the measure of angle QTS is equal to 90°
so
6x+36=90-----> 6x=90-36----> x=54/6
x=9
QR=2x-5-----> QR=2*9-5-----> QR=18-5-----> QR=13

the answer is
QR=13
User BlueBoy
by
5.6k points