Т 85° 75° NO SC. R o P P, Q, R, S and T lie on the circle, centre O. Angle PST 75° and angle QTS = 85° Find the values of v, w, x and y.
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Answer:
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Step-by-step explanation:
TSP=750 Note: The angle subtended by an arc at center is twice the angle subtended on circumference So. TOP=2TSP=2*75=1500=v0(a
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Answer:
v=150°,w=15°,x=15°,y=10°
Step-by-step explanation:
circumference rule:75x2= angle at v=150
isosceles rule-w +w+150=180
=15°
arc rule -w =x
x=15°
angles in a triangle PTS-75+85+15 +any variable (n)=180
Angle PTS=5°
from isosceles rule: y +5=w
y+5=15
y=10°
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