Question

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Q 3 and Q4​

Answer 1

Answer:

Answer is 30

Step-by-step explanation:

Q3Solution

Given

angle A is 150°

angleB,C,D are equal

so,. In quadrilateral ABCD

angle A+angleD=180° [sum of opposite angles of quadrilateral is 180]

150+angleD=180

angleD=180-150

angleD=30

we know, AngleB,C,D are equal

Hence, AngleB,C,D are 30°

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