Question

18. Angle BAC of triangle ABC is obtuse and
AB = AC. P is a point in BC such that
PC = 12 cm. PQ and PR are perpendiculars
to sides AB and AC respectively. If
PQ = 15 cm and PR = 9 cm; find the length
of PB.​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

refer to the image above