The angles of a triangle are in the ratio 11 : 5 : 2. the side opposite the largest angle is 5.5 centimeters. the length of the side opposite the smallest angle of the triangle is ? centimeters

The length of the side opposite the smallest angle of the triangle is 2 centimeter.

Step-by-step explanation:

Given : The angles of a triangle are in the ratio 11 : 5 : 2. The side opposite the largest angle is 5.5 centimeters.

To find: The length of the side opposite the smallest angle of the triangle is?

Solution :

Let x be the angle of the triangle.

The angles of a triangle are in the ratio 11 : 5 : 2.

Sum of angles of the triangle is 180°.

So,

Therefore, The angles of the triangles are 110, 50,20 degrees.

Now, Applying Law of Sines:

i.e, to find the remaining sides of a triangle when two angles and a side are known we apply,

Let A=110°(as largest angle), a=5.5 cm(given)

B=20° (as 20 is the smallest angle), b=b(smallest length)

Substitute,

Cross multiply,

Therefore, The length of the side opposite the smallest angle of the triangle is 2 centimeter.

12/11c

or

12

c

11

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step-by-step explanation:

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