Question
The perimeter of an isosceles triangle is 32cm. The ratio of the equal side to its base is 3:2. Find the area of the triangle.
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Text solutionVerified
We know that the ratio of the equal side to its base is
For an isosceles triangle the ratio of sides can be written as
So we get
Consider and
We know that the perimeter = 32cm
It can be written as
On further calculation
By division
By substituting the value of x
b = 3x = 3(4) = 12cm
c = 2x = 2(4) = 8cm
So we get
By division
We know that
Area
By substituting the values
Area=
So we get
Area=
It can be written as
Area=
On further calculation
Area=
We get
Area=
Therefore, area of the triangle is
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Question Text | The perimeter of an isosceles triangle is 32cm. The ratio of the equal side to its base is 3:2. Find the area of the triangle. |
Answer Type | Text solution:1 |
Upvotes | 163 |