MathematicsTriangle ABC is such that AB = 9 cm, BC = 6 cm, AC = 7.5 cm. Triangle DEF is similar to Δ ABC. If EF = 12 cm then find the value of DE.Class: 10

Triangle ABC is such that AB = 9 cm, BC = 6 cm, AC = 7.5 cm. Triangle DEF is similar to Δ ABC. If EF = 12 cm then find the value of DE.

Class: 10

A
6 cm
B
16 cm
C
18 cm
D
15 cm

Solution:

Given;
ΔABC is similar to ΔDEF
x = 9 × 2
DE = x = 18 cm

Related content

Area of Square

Area of Isosceles Triangle

Pythagoras Theorem

Triangle Formula

Perimeter of Triangle Formula

Area Formulae

Volume of Cone Formula

Matrices and Determinants_mathematics

Critical Points Solved Examples

Type of relations_mathematics