Respuesta :
Answer:
yes a right triangle
Step-by-step explanation:
Using the converse of Pythagoras' identity
If the square of the longest side is equal to the sum of the squares of the other 2 sides then the triangle is right,
53² = 2809 ← square of longest side
28² + 45² = 784 + 2025 = 2809
Thus the triangle is right
