Question

What triangle can be acute?

equilateral triangle


Pick two anwsers

right triangle


isosceles triangle


scalene triangle

Answer 1

Verification(s):

Option A:

A right triangle can never be an acute triangle because a right triangle defines a triangle that includes a 90° angle, which is not less than 90°.

Check out an example in image #1

Option B:

An isosceles triangle can be an acute triangle as it can have all angles less than 90°.

Check out an example in image #2.

Option C

A scalene triangle can also be an acute triangle as it can have all angles less than 90°.

Check out an example in image #3.

Final answers:

• Isosceles triangle
• Scalene triangle