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Standard VII

Mathematics

Triangle as Part of Rectangle

Triangles ABC...

Question

Triangles ABC and DEF are similar and AB : DE = 1 : 2. What is the ratio of the area of these triangles?

1 : 2

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2 : 1

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1 : 4

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4 : 1

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Solution

The correct option is C 1 : 4
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Similar questions

Q. Triangles

A B C

and

D E F

are similar.

(i) If area (

△

ABC)=

16

c m^{2}

, area(

△

DEF)=

25

c m^{2}

and BC =

2.34

cm, find EF.

(ii) If area (

△

ABC)=

9

c m^{2}

, area(

△

DEF) =

64

c m^{2}

and DE=

5.1

cm, find AB.

(iii) If AC =

19

cm and DF=

8

cm, ratio of the area of two triangles.

(iv) If area (

△

ABC)=

36

c m^{2}

, area (

△

DEF) =

64

c m^{2}

and DE=

6.2

cm, find AB.

(v) If AB=

1.2

cm and DE=

1.4

find the ratio of the areas of triangle ABC and DEF.

Q. Triangles ABC and DEF are similar. AB = 12 cm and DE = 14 cm. Find the ratio of their areas.

Q. Triangles ABC and DEF are similar.

(i) If area (∆ABC) = 16 cm², area (∆DEF) = 25 cm² and BC = 2.3 cm, find EF.
(ii) If area (∆ABC) = 9 cm², area (∆DEF) = 64 cm² and DE = 5.1 cm , find AB.
(iii) If AC = 19 cm and DF = 8 cm, find the ratio of the area of two triangles.
(iv) If area (∆ABC) = 36 cm², area (∆DEF) = 64 cm² and DE = 6.2 cm, find AB.
(v) If AB = 1.2 cm and DE = 1.4 cm, find the ratio of the areas of ∆ABC and ∆DEF.

Q. If

Δ A B C \sim D E F

A B : D E = 3 : 4

, then find the ratio of area of triangles. If

A B C - D E F, A B : D E = 3 : 4

, then find the ratio of area of triangles.

If $△$ ABC ~ $△$ DEF such that AB = 1.2 cm and DE = 1.4 cm . Find the ratio of area of $△$ ABC and $△$ DEF.

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Triangles ABC and DEF are similar and AB : DE = 1 : 2. What is the ratio of the area of these triangles?

The correct option is C 1 : 4-

The correct option is C 1 : 4
-