In rhombus ABCD, angle ABD is 48 find angle C.
August 8, 2021 | education
| A rhombus is a parallelogram in which all sides are equal and the angles are not right.
The diagonals of the rhombus are the bisectors of its catch; therefore, the angle АВД is equal to half of the angle ∠В. Thus:
∠В = ∠АВД ∙ 2;
∠В = 48º ∙ 2 = 96º.
Since opposite angles in a rhombus are equal, and the sum of all its angles is 360º, then:
∠В = ∠Д = 96º;
∠С = ∠А = (360º – ∠В – ∠Д) / 2;
∠С = ∠А = (360º – 96º – 96º) / 2 = 168º / 2 = 84º.
Answer: the angle ∠С is equal to 84º.
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