Question

construct a quadrilateral ABCD in which AB = 4 cm,BC=7 cm, angle A= angle C=105° and angle D=60°​

Answer 1

Answer:

angel A is 15°

Step-by-step explanation:

angel C+angel D + angel A= 180°

So, 105°+60°+angel A=180°

165°+angel A =180°

angel A = 165°- 180° = 15

angel A = 15°

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