Question

# The angles of a triangle are in the ratio 5: 3: 7. The triangle is (a) an acute angled triangle (b) an obtuse angled triangle (c) a right triangle (d) an isosceles triangle

Solution Ratio of Angles = 5:3:7
Let common ratio ben.
. Angles are su, in and ta
. Sum of aules = 180°
sutsuttu = 180°
>> 15= 180°
x=12°
Angles are: n=36°
5 = 60°
72 = 84°
Triangle is an obture angled
triangle.

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