Describe the given set F=acutetriangle,obtuseangle,rightangle ?
Set:
The set of the names of triangle based on their angle measure.
Hence, set contains triangle based on their angle measure.
Describe the given set E={acute angle, obtuse angle, right angle} ?
Choose the correct answer from the given alternative:
In a triangle ABC, ∠B = ∠C = 45°, then the triangle is ____________.
A. right triangle
B. acute angled triangle
C. obtuse angle triangle
D. equilateral triangle