MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 20

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IMPORTANT

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If in two triangles $ABC$ and $DEF$ , $\frac{AB}{DE} = \frac{BC}{FE} = \frac{CA}{FD}$ , the

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Important Questions on Triangles

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10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 21

△ ABC ~ △ DEF, ar (△ ABC) = 9 {cm}^{2}, ar (△ DEF) = 16 {cm}^{2}

. If

BC = 2.1 cm

, then the measure of

EF

is

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10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 22

The length of the hypotenuse of an isosceles right triangle whose one side is $4 \sqrt{2} cm$ is

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MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 23

A man goes

24 m

due west and then

7 m

due north. How far is he from the starting point?

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MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 24

∆ ABC ~ ΔDEF

, If

BC = 3 cm, EF = 4 cm

and

ar (ΔABC) = 54 {cm}^{2}

, then

ar (ΔDEF) =

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MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 25

∆ ABC ~ ΔPQR

such that

ar (ΔABC) = 4 ar (ΔPQR)

. If

BC = 12 cm

, then

QR =

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IMPORTANT

MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 26

The areas of two similar triangles are

121 {cm}^{2}

and

64 {cm}^{2}

respectively. If the median of the first triangle is

12.1 cm

, then the corresponding median of the other triangle is

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MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 27

In an equilateral triangle

ABC

if

AD ⊥ BC

, then

{AD}^{2} =

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10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 7 - Triangles>MULTIPLE CHOICE QUESTIONS (MCQs)>Q 28

In an equilateral triangle $ABC$ if $AD ⊥ BC$ , then