Mensuration Practice Test 6

Question : 4 of 40

Marks: +1, -0

The perimeter of an isosceles triangle is equal to 14 cm and the lateral side of the basis in the ratio of 5 : 4. The area of the triangle is:

Solution:

Sides of an isosceles triangle = 5.5 and 4 cm
So, altitude =

√{25-4}

√{21}

Area =

1/2

× base × height
=

1/2 × 4 × √{21}

2√{21} cm^2

Go to Question:

Prev Question

Next Question