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algol13
3 years ago
15

The smallest angle in a triangle is 1/3 as large as the largest angle. The third angle is twice the smallest angle. Find the thr

ee angles.
Mathematics
1 answer:
Sliva [168]3 years ago
6 0

Let the largest angle in a triangle be x .

Then :-

The smallest angle :-

\frac{1}{3} x

The third angle :-

\frac{2}{3} x

Let us find the measure of the three angles .

Sum of all angles in the interior of a triangle = 180°

An equation to find the value of each angle :-

x +  \frac{1}{3} x +  \frac{2}{3} x = 180

x +  \frac{3}{3} x = 180

x +  \frac{1}{1} x = 180

x + 1x = 180

x + x = 180

2x = 180

x =  \frac{180}{2}

x = 90

Which means :-

Measure of the largest angle = 90°

Measure of the smallest angle :-

\frac{1}{3}  \times 90

= 30°

Measure of the third angle :-

\frac{2}{3}  \times 90

= 60°

<h3>Therefore :-</h3>

The measure of the largest angle = 90°

The measure of the smallest angle = 30°

The measure of the third angle = 60°

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