C-14-Q080mediumsingle_mcq

$\triangle ABC \sim \triangle DEF$ with $BC = 4$ , $EF = 8$ . The ratio of areas is —

a $1:2$
b $1:4$
c $4:1$
d $1:8$

ব্যাখ্যা

The side ratio is $\dfrac{BC}{EF} = \dfrac{4}{8} = \dfrac{1}{2}$ , and the area ratio is its square: $\left(\dfrac{1}{2}\right)^2 = \dfrac{1}{4}$ , i.e. $1:4$ .

এই অধ্যায়ের আরও প্রশ্ন

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Ratio, Similarity and Symmetry — সব প্রশ্ন দেখুন (160টি) →

△ABC∼△DEF\triangle ABC \sim \triangle DEF△ABC∼△DEF with BC=4BC = 4BC=4, EF=8EF = 8EF=8. The ratio of areas is —

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

△ABC∼△DEF\triangle ABC \sim \triangle DEF△ABC∼△DEF with BC=4BC = 4BC=4, EF=8EF = 8EF=8. The ratio of areas is —

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

$\triangle ABC \sim \triangle DEF$ with $BC = 4$ , $EF = 8$ . The ratio of areas is —

$\triangle ABC \sim \triangle DEF$ with $BC = 4$ , $EF = 8$ . The ratio of areas is —