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Question

(a) What will be the value of x in the following diagram? [3 MARKS]


(b) If a QPR is right angled at P, which is the longest side of the triangle?

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Solution

(a) Steps: 1 Mark
Result: 1 Mark
(b) Answer with reason: 1 Mark


(a) According to the question, the three sides of the triangle are equal.
Hence, all angles will also be equal (say x).

Sum of angles of a triangle = 180o
Or, x + x + x = 180o
Or, 3x = 180o
Or x = 180o3 = 60o


(b) In a triangle, the side opposite to the angle with the largest value is the longest.

Here the biggest angle is the right angle, hence QR is the longest side in QPR, right angled at P.


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