Answer:
< TPQ = 145 degrees
Step-by-step explanation:
< QPO = (180 - 70)/2 = 55 degrees ( base angle of an isosceles triangle).
< OPT = 90 degrees ( OP is a radius to point of contact of the tangent).
Therefore < TPQ = < QPO + < OPT
= 55 + 90
= 145 degrees
