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Construct an Isosceles Triangle in Which: Pq = Qr, Pr = 4.5 Cm and ∠R = 60° - Mathematics

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Question

Construct an isosceles triangle in which: PQ = QR, PR = 4.5 cm and ∠R = 60°

Sum

Solution

In ΔPQR,
PQ = QR     ....(given)
⇒ ∠PRQ = ∠RPQ = 60°
Steps:
1. Draw PR = 4.5cm.
2. Construct ∠PRU = 60° and ∠RPV = 60
3. Ray RU and PV meet at Q.
Thus, PQR is the required triangle.

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Chapter 14: Constructions of Triangles - Exercise 14.1

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Frank Mathematics [English] Class 9 ICSE
Chapter 14 Constructions of Triangles
Exercise 14.1 | Q 5.3
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