In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 1:5 and length of QR is 15 cm, find ST?
A) 2.4 cm B) 3.6 cm C) 2.5 cm D) 5.6 cm
Answers
Answered by
0
Answer:
C) 2.5 cm
Step-by-step explanation:
PS/QS = 1/5
=> QS/PS = 5
=> QS/PS + 1 = 5 + 1
=> (PS+QS)/PS = 6
=> PQ/PS= 6
ΔPQR ~ΔPST
So, QR/ST = PQ/PS= 6
=> 15/ST = 6
=> ST = 15/6 = 2.5
Answered by
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Answer:
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Step-by-step explanation:
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