Prove that the lengths of altitudes drawn to equal sides of an isosceles triangle are also equal. (i) ∠TRQ = ∠SQR? (ii) If ∠TRQ = 30°, find the base angles of the ΔPQR. (iii) Is ΔPQR an equilateral triangle? - QAmmunity.org

Prove that the lengths of altitudes drawn to equal sides of an isosceles triangle are also equal. (i) ∠TRQ = ∠SQR? (ii) If ∠TRQ = 30°, find the base angles of the ΔPQR. (iii) Is ΔPQR an equilateral triangle?

asked Apr 27, 2023 113k views

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