Angle PQR = (2x + 30)
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Mathematics, 14.11.2020 04:00 potatonene
3. PQR is an isosceles triangle with PQ = PR, and angle QPR = x".
P
Angle PQR = (2x + 30)
Diagram not drawn to scale
PR = (2x + 3) cm
QR = (r + 3) cm
1(2r+3)
H
+
(2x +30)
R
(r+3)
(a) Find an expression for the perimeter of the triangle in terms of r, giving
your answer in its simplest form.
(b) Work out the value of r, if the perimeter is 49 cm.
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Answers: 3
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You know the right answer?
3. PQR is an isosceles triangle with PQ = PR, and angle QPR = x".
P
Angle PQR = (2x + 30)
Angle PQR = (2x + 30)
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