দুটি অনুরূপ ত্রিভুজ ABC এবং DEF এর ক্ষেত্রফল যথাক্রমে 144 cm^(2) এবং 81 cm^(2)। যদি ম...

The areas of two similar triangles ABC and DEF are 144 cm^(2) and 81 cm^(2) respectively . If the longest side of the larger triangle is 36 cm , find the longest side of the other triangle .

The areas of two similar triangles ABC and DEF are 144cm^(2) and 81cm^(2) respectively.If the longest side of larger ABC be 36cm, then the longest side of the smallest triangle DEF is (a) 20cm(b)26cm(c)27cm(d)30cm

Let ABC ~ triangle DEF and their areas be 81 cm^(2) and 144 cm^(2) . If EF = 24 cm, then length of side BC is ……………………. Cm

In DeltaABC ~ Delta DEF and ar (DeltaABC) = 100 cm^(2), ar (Delta DEF) = 196 cm^(2) and DE = 7 cm , then find AB.

Delta ABC~ Delta DEF and their areas are respectively 100 cm^(2) and 49 cm^(2) . If the altitude of Delta ABC is 5 cm find the correspoding altitude of Delta DEF . \

The area of square ABCD is 144 cm^(2) and the area of square PQRS is 81 cm^(2) and the area of square PQRS is 81 cm^(2) , find the ratio of the side AB to the side PQ.

If ABCDEF such that AB=5cm, area (ABC)=20cm^(2) and area (DEF)=45cm^(2) ,determine DE.

Given two triangles ABC and DEF such that DeltaABC ~ Delta DEF . Also, ar(DeltaABC)= 25cm^(2), ar (Delta DEF)= 64cm^(2) and AB=5cm . Then length of side DE is

(B) Solve any four of the following subquestions : Delta ABC ~ Delta PQR, A (Delta ABC) = 9 cm^(2) and A ( DeltaPQR) = 16 cm^(2) . If BC = 2.1 cm then find the length of segment QR .

Delta ABC~DeltaDEC such that ar(Delta ABC)=64 cm^(2) and ar (Delta DEF)=169 cm^(2) . If BC=4 cm , find EF.