Geometry Practice Test 1

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Question : 20 of 40

Marks: +1, -0

ΔABC ~ΔPQR, AB = 4 cm, BC = 0.56, PQ = 10 cm. Then find the measure of QR.

4.2 cm
1.4 cm
2.9 cm
2 cm
Cannot be determined

Solution:

Since ∠ABC ~ ∠PQR,
then their sides will be in proportion.

{AB}/{PQ}

=

{BC}/{QR}

4/{10}

=

{0.56}/{QR}

QR =

{0.56×10}/4

QR = 1.4 cm

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