Question

if three angles of a quadrilateral are each equal to 75° the fourth angle is​

Answer 1

Answer:

105 DEGREEE

Step-by-step explanation:

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Answer 2

Answer:

We know that, sum of all the 1 angles of a quadrilateral is 360°.

∠A+ ∠B + ∠C + ∠D = 360°

⇒ 75° + 90°+ 75°+ ∠D = 360°

∠D = 360° – (75° + 90° + 75°)

= 360° -240° = 120°

Answer =

Hence, the fourth angle of a quadrilateral is 120°.

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