5.
If AABC = ∆PQR, angle A + B = 100°, AB = 3 cm, BC = 5 cm, then find:
(1) the measure of angle R, (ii) sum of the lengths of PQ and QR.
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Answer:
in triangle PQRangle r=8
the sum of PQ and QR =8cm
Step-by-step explanation:
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