1. Construct a triangle ∆ such that PI = 4.5 cm, IN = 6 cm and PN= 7.5 cm. Measure ∠PIN. What type of triangle is it?
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Step-by-step explanation:
(1) Draw a line PQ = 6 cm.
(2) Using compass taking P as centre draw an angle ∠P = 60°.
(3) Using compass taking Q as a centre draw an angle ∠Q = 30°.
(4) PS and QT intersect each other R.
(5) ∆ RPQ is the required triangle.
On measuring; ∠R = 90°, length of PR = 3 cm.
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iscocles
triANGLE
=18
(1) Draw a line PQ = 6 cm.
(2) Using compass taking P as centre draw an angle ∠P = 60°.
(3) Using compass taking Q as a centre draw an angle ∠Q = 30°.
(4) PS and QT intersect each other R.
(5) ∆ RPQ is the required triangle.
On measuring; ∠R = 90°, length of PR = 3 cm.
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