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Not necessarily.

The two equal angles in an isosceles triangle must both be acute angles. If they were right angles or obtuse angles then a triangle could not be formed.

If the two equal angles are less than 45° each then the third angle is an obtuse angle. If they are both 45° then the third angle is a right angle and if they are both greater than 45° then the third angle is an acute angle.

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βˆ™ 2010-03-08 00:06:50
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

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A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Has an isosceles triangle have an obtuse angle?
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