It is a scalene triangle.
Explanation:
There are 3 types of triangle.
1) Equilateral triangle, with all angles of the same size 60°.
2) Isosceles triangle, with two (bottom) angles of same size.
3) Scalene triangle, with NO angles of the same size.
Since 72°, 101° and 7° are not equal, it is a scalene triangle.
