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2.28 Triangles Review Test
: The circle that touches the three sides of a triangle and lies inside the triangle is called the ______.
: In triangle ABC, D and E are the points on AB and AC. BD = 30, DA = x, BF = y, EC = 15, AC = 22. Find AD.
A = 80
B = 60,
: Find the measure of each of the interior angles of a regular polygon of 4 sides.
: ABD is a triangle in which angle DAB is 90 degrees. AC is perpendicular to DB. Prove that AB
A = 100
B = 50
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