In △ABC , line AB is extended up to point E and line BC is extended up to D . The measure of some of the angles is given as; ∠BAC=70° and ∠EBC=120° .

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Step-by-step explanation:

and are supplementary angles. Their sum should be .  .

The sum of the three angles in triangle : should be equal to .

and .

and form another pair of supplementary angles. Their sum should also be . .

y = x + 95

y = 42 + 95

y=137 mm hg