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It is an isosceles triangle and the other 2 angles will each measure 40 degrees

Q: Which is a triangle with two sides the same length and an interior angle measuring 100 degrees?

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we know that a triangle is 90 degrees by measuring its length or it can be known as right triangle which measures 90 degrees.

3Same answer with an explanation:In an equilateral triangle, all sides are the same length and all three interior angles have the same number of degrees (60 degrees each).

An equilateral triangle has 3 equal sides and 3 equal interior angles that add up to 180 degrees

An isosceles triangle is a triangle that has two sides of equal length. A right triangle has an interior angle of 90 degrees. A right isosceles triangle has both characteristics. The 90 degree angle will be the angle formed by the sides of equal length.

By measuring it

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This is a right triangle.

Acute isosceles

An equilateral triangle has 3 equal sides and 3 equal interior angles each measuring 60 degrees

we know that a triangle is 90 degrees by measuring its length or it can be known as right triangle which measures 90 degrees.

The 3 sides of an equilateral triangle are all equal in length and its 3 interior angles are equal in size each measuring 60 degrees

It doesn't matter what type of triangle it is, or the length of the sides. The sum of the interior angles of a triangle always adds up to 180 degrees

If you mean an equilateral triangle then it is a triangle with sides of equal length and interior angles of 60 degrees

3Same answer with an explanation:In an equilateral triangle, all sides are the same length and all three interior angles have the same number of degrees (60 degrees each).

It is a triangle whose 3 sides are equal in length and its 3 interior angles each measure 60 degrees

An isosceles triangle has 3 sides 2 of which are of the same length and it has 3 interior angles 2 of which are of the same size. Its 3 interior angles add up to 180 degrees.

Each of the three interior angles is less than 90 degrees and all three sides are unequal in length.

An equilateral triangle has 3 equal sides and 3 equal interior angles that add up to 180 degrees