Question

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.

Answer 1

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

Answer 2

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°