Created by StemPy LabA pennant is an isosceles triangle with equal sides and , and its angle at is . What is the angle at the tip ?
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← Two triangular flags fit exactly on each other, with A, B and C landing on D, E and F in turn. The edge AB of the first flag is 9 cm long. Which edge of the second flag is also 9 cm long?Triangles ABC and DEF have AB = DE and BC = EF. Which extra fact lets you prove them congruent by the SAS rule? →
More onGeometry › Triangles
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