Q. 10 A5.0( 1 Vote )

# ΔABC ~ ΔPQR for the correspondence ABC ↔ QRP. If m∠A = 50, m∠C = 30, then m∠R =A. 80B. 50C. 30D. 100

The triangle ABC and triangle PQR are similar in correspondence ABCQRP

mQ = mA = 50

And mP = mC = 30

In ∆PQR,

mP + mQ + mR = 180

30 + 50 + mR = 180

mR = 100

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