The angles of triangle are (x + 10)o, (2x - 40)o and (3x - 90)o. Which of the following accurately describes the triangle?
a
it is a scalene triangle
b
it is right angled isosceles triangle
c
t is an equilateral triangle
d
It is an isosceles triangle but not right angled
Explanation
Correct Option
cVideo Explanation
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