CUET Ug 2022 General Test Question 8
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CUET UG 2022 - General Test
∠CAB = 40°, ∠BDC = x°
In rhombus ABCD, all sides are equal.
Sum of adjacent angles of rhombus are equal to 180°
∠D = 2 × ∠BDC = 2x [Diagonals bisect the angles in rhombus]
∠A = 2 × ∠CAB = 2 × 40 = 80°
Now, ∠A + ∠D = 180°
80° + 2x = 180°
x = 100/2 = 50°