Question

Two angles of a quadrilateral are respectively 70° and 80°. The other two angles are equal in measure. Find the measure of the other two angles. ​​

Answer 1

Answer:

Answer. here sum of all angle of quadrilateral is equal to 360. hence other two angles are 105 .

Step-by-step explanation:

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Answer 2

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If the other two angles are equal in measure

Let the two angles be x and x

⇒ 70° + 80° + x + x = 360°

⇒ 150° + 2x = 360°

⇒ 2x = 360 - 150

⇒ x = $\frac{210}{2}$

⇒ x = 105°

Hence, the other two angles of the given quadrilateral are 105° and 105°

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