If it doesn't have congruent angles, it's not an isosceles triangle.
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Two figures are congruent when they have the exact same angles within them. However, one of the figures might be blown up or shrunk. (Just not Skewed/Stretched).for example: Ais congruent tobut isn't congruent toASince it's slanted (skewed).=== === == == == ==
A right angle triangle always has 2 acute angles within it.
A right angle triangle has no parallel sides
3 The student can measure the given angles to within 2 degrees of the actual measurement and identify each angle, with 95% accuracy 2 The student is able to measure the given angles to within 10 degrees, and is able to identify the angles with 95% accuracy 1 Student is unable to correctly measure the given angles and/or identify the angles correctly
The shortest side is opposite the smallest angle. The longest side is opposite the biggest angle. The middle length side is opposite the middle sized angle. For a triangle with sides of length a, b, and c, with c being the hypotenuse (the longest side), a2 + b2 = c2. The angles within a triangle must all add to 180o.