Question
A park has the shape of an isosceles triangle. Its sides are x − 1 and x − 2 . The length of its compound is 44 units. Find the possible values of x
Hint:
Find the value of x using the sum of all sides equal to perimeter .
Here we get 2 cases if x- 1 side is repeated twice and x-2 side is repeated twice .
The correct answer is: x = 16 unit (or) x= 49/3 unit are two possible values of x
ANS :- x = 16 unit (or) x= 49/3 unit are two possible values of x.
Explanation :-
Step 1:- Find x if x -1 is repeated twice
We get perimeter = x-1 + x-1 + x-2
Given perimeter = 44 units
We get 3x - 4 = 44 units ⇒ 3x = 48 units
∴ x = 16 unit
Step 2:- Find x if x -2 is repeated twice
We get perimeter = x - 1 + x - 2 + x - 2
Given perimeter = 44 units
We get
∴ x = 49/3 unit
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