Question

PQR s an isosceles triangle find the values of S and T
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Answer 1

Answer:

t = 100

s = 130

Step-by-step explanation:

80° + angle t = 180° (angles on straight line)

angle t= 180- 80

angle t = 100

angle P + angle Q + angle R = 180° (angle of a triangle)

angle P = 80° (opposite angle)

angle Q = angle R( isosceles triangle)

angle Q = (180 - angle P)/2

angle Q = (180 - 80) / 2

angle Q = 50

angle R = 50

angle R + angle s = 180( angle on straight line)

50 + angle s = 180

angle s = 180 - 50

angle s = 130