CBSE Class 6 Answered
Following triangle is an equilateral triangle; find the measure of each angle and the length of sides PQ and PR.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
In an equilateral triangle all sides are equal, so PQ = PR = QR.
But QR = 3 cm
Therefore, PQ = PR = 3 cm
Also, all angles of an equilateral triangle are equal.
Let ∠P = ∠Q = ∠R = x
Since ∠P + ∠Q + ∠R = 180o
Or, x + x + x = 180o
Or, 3x = 180o
Or, x = 60o
Hence, ∠P = ∠Q = ∠R = 60o
Answered by | 04 Jun, 2014, 03:23: PM
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