Answer:
The correct answer is option d. Equilateral, acute
Explanation:
Fro the given figure of the triangle we get,
all the three sides of given triangle are equal.
Each sides of triangle is 48.3
therefore the triangle is equilateral triangle.
We know that all angles of an equilateral are equal , which is equal to 60.
Here also angle = 60
60 < 90 therefore angles are acute.
Therefore option d is the correct answer.