Find the value of the angle QRT which is ‘x’ ,
if angle PRS is 2x as shown in the picture.
Consider Triangle PRQ and Triangle RST
to be equilateral triangles of different sizes
A)240
B)120
C)80
D)160
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Step-by-step explanation:
In equilateral triangle each angle is 60⁰
total angle is 360
angle PRS+SRT+TRQ+PRQ=360
2x+60+60+x=360
3x=240
x=240÷3
x=80
angle QRT=80⁰
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