Example What Is An Acute Isosceles Triangle Full. Acute triangle, equilateral triangle, isosceles triangle, obtuse triangle, triangle. Triangles can also have names that tell you what type of angle is inside :
Isosceles Triangle from s3.studylib.net These two equal sides always join at the same angle to the base (the third side), and meet directly above these special properties of the isosceles triangle allow you to calculate the area from just a couple pieces of information. An isosceles triangle is a triangle that has at least two congruent sides. What is an acute triangle?
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Since all 3 angles are less than 90° all equilateral triangles are acute triangles. An acute triangle can be an isosceles triangle, but it doesn't have to be. Isosceles triangle has two sides, b and c, and the two angles opposite them <b and <c equal. It is easy to work out the missing angles of an isosceles triangle by looking for the angles that should be equal.
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