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Mathematics 47 Online
OpenStudy (dj3strella):

Help me please

OpenStudy (dj3strella):

OpenStudy (dj3strella):

@BunnyBree

OpenStudy (anonymous):

Alright, so we can see that the measurement is 70 degrees. It's definitely not an obtuse triangle because obtuse triangles have a degree higher than 90. 90 degrees makes a right triangle, so we know that this triangle is an acute one. You can narrow it down to acute. So it's between A and B. What do you know about isosceles and scalene triangles?

OpenStudy (anonymous):

Acute angles measure less than 90 degrees. Obtuse angles measure greater than 90 degrees. Isosceles triangles have 2 legs of equal length. Scalene triangles have no 2 sides of equal length.

OpenStudy (anonymous):

The triangle does have legs of equal length, which we can confirm by the marks. That also narrows it down to isosceles. So we have an acute isosceles triangle.

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