Question

in a quadrilateral the sum of the 2 angles is double the measure of 3rd angle . if the measure of the angle is 75° then what is the measure of other 2 angles​

Answer 1

Step-by-step explanation:

Consider △ABC,

Then according to the given condition, ∠A=∠B+∠C

Sum of all the interior angles of the triangle is 180

o

Hence, ∠A+∠B+∠C=180

o

2∠A=180

o

⇒∠A=90

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