SOLUTION: The perimeter of an isosceles triangle, PQR is 9 cm. The length of side p is 4 cm and the lengths of q and r are equal. a) Determine the lengths of q and r. b) Determine the mea

Question 1111728: The perimeter of an isosceles triangle, PQR is 9 cm. The length of side p is 4 cm and the lengths of q and r are equal.
a) Determine the lengths of q and r.
b) Determine the measure of P to the nearest degree.
Thanks :)

Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!

You can use Law Of Cosines to find measure of angle at P.

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