Which describes an acute isosceles triangle?

Question

(1 point)
Responses

two sides of equal length, all angles are less than 90 degrees
two sides of equal length, all angles are less than 90 degrees

three sides of equal length, one 90 degree angle
three sides of equal length, one 90 degree angle

no sides the same length, two angles less than 90 degrees
no sides the same length, two angles less than 90 degrees

no sides the same length, on angle greater than 90 degrees

Answer 1

two sides of equal length, all angles are less than 90 degrees