Question

Each answer choice shows the measures of the three angles of a triangle.
Which triangle is an acute triangle?
a) 30, 30, 120
b) 40, 50, 90
c) 20, 50, 110
d) 50, 50, 80

Answer 1

Acute angled triangles are triangles with all angles less than 90 degrees.So the answer is d) 50, 50, 80

Answer 2

thank you!

Answer 3

You're welcome.