an acute triangle is a triangle that has corner angles all below 90 degrees. there are three types of triangles: obtuse, right, and acute. obtuse triangles have one corner angle greater than 90 degrees, right triangles have one angle equal to 90 degrees, and acute triangles have all corner angles less than 90 degrees.
An obtuse triangle
180 degrees
No, they cannot.
yes
Yes
An obtuse triangle
Could be a 90-60-30 degree triangle. so, 60 degrees.
180 degrees
88
No, they cannot.
never
yes
Yes
A isosceles triangle
The sum of the angles in a triangle is 180 degrees.
8
It could be an isosceles triangle or a scalene triangle.