Question 1181776
If three angles of a triangle are in the ratio 3:7:10, show that triangle is right angled
<pre>Largest part of the 3 ratios: 10 <=== belonging to LARGEST angle
Fraction belonging to LARGEST angle: {{{matrix(1,5, 10/(3 + 7 + 10), "=", 10/20, "=", 1/2)}}}
Sum of angles of a triangle: 180<sup>o</sup>
Measure of largest angle of THIS TRIANGLE: {{{highlight_green(matrix(1,3, (1/2)180^o, "=", 90^o))}}}
With LARGEST angle being 90<sup>o</sup>, the triangle is DEFINITELY right-angled!