Question

two sides of a triangle are 40 cm and 12 cm the perimeter of the triangle is 36 cm what is its third side​

Answer 1

two sides of a triangle are 40 cm and 12 cm the perimeter of the triangle is 36 cm what is its third side

$ANSWER$

Given

triangle are 40 cm and 12 cm

perimeter of the triangle is 36 cm

Let the X be the third side

Solution

40 + 12 + X = 36

40 + 12 - 36 = X

52 - 36 = X

16 = X

Answer 2

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Here's your answer ↓

$\huge \rm \overbrace \color{blue} \underbrace{required \: answer}$

✨Given :-

• two sides of a triangle are 40 cm and 12 cm.

✨To Find :-

• Third side of the triangle.

✨Solution :-

Let the third side be x

The length of the other two sides of the triangle is 40cm and 12cm.

Now, the perimeter of the triangle is 36cm.

$\rm \pink{40 + 12 + x = 36cm}$

$\rm \red{: \implies 52 + x = 36}$

$\rm \color{blue}{: \implies x = 52 - 36 = \bold16}$

$\rm \color{red}{ \therefore \: The \: third \: side \: is \: 16cm.}$

___________________________

Explore More !!

• A triangle triangle is a polygon of three sides.

• Sum of three angles of a triangle is equal to 180°.

• Sum of length of any two sides of a triangle is greater than the third side.

• The interior of a triangle together with the triangle is called triangular region.

• There are 6 types of triangles. On the basis of sides they are classified as scalene triangle, Isosceles triangle and Equilateral triangle. On the basis of the angles they are classified as Acute angled, Right angeled, Obtuse angled triangles.

• When we produced the sides of a triangle in order we get three exterior angles.

• Each exterior angles has a corresponding interior angles and two interior opposite angles.

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