Question

Mary says the pen for her horse is an acute right triangle. Is this possible? EXPLAIN!!!

Answer 1

we know that

An acute triangle is a triangle with all three angles acute (less than $90\°$).

An obtuse triangle is one with one obtuse angle (greater than $90\°$) and two acute angles.

A right triangle is one with one right angle (angle equal to $90\°$) and two acute angles.

therefore

The answer is

Is not possible

Answer 2

An acute triangle is a triangle where all of the angles are less than 90 degrees
a right triangle requires a triangle with 1 right angle
so the answer is no