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Perimeter

In a triangle...

Question

In a triangle, P, Q and R are the mid points of sides BC, CA and AB respectively. If AC = 21 cm, BC = 29 cm and AB = 30 cm, the perimeter of the quadrilateral ARPQ is

A

30 cm

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B

51 cm

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C

50 cm

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D

25 cm

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Solution

The correct option is B
51 cm

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Q. In a triangle, P, Q and R are the mid-points of sides BC, CA and AB respectively. If AC = 21 cm, BC = 29 cm and AB = 30 cm, find the perimeter of the quadrilateral ARPQ.

△ A B C

, P, Q and R are the mid-points of sides BC, CA and AB respectively. If AC = 21 cm, BC= 29 cm and AB =30 cm. Find the perimeter of the quad ARPQ.

Q. In the given triangle M, N and O are the respective mid points of BC, CA and AB. If AB = 60 cm, BC = 58 cm, AC = 42 cm, then what is the perimeter of quadrilateral AOMN?

In triangle ABC; AB = AC. P, Q and R are mid-points of sides AB, AC and BC respectively.

Prove that :
(i) PR = QR (ii) BQ = CP

In triangle ABC; AB = AC. P, Q, and R are mid-points of sides AB, AC, and BC respectively. Hence, BQ = CP.

State whether the above statement is true or false.

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