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Home > INT3 > Chapter 7 > Lesson 7.2.5 > Problem 7-109


What are the area and perimeter of below? Give both exact answers and approximate (decimal) answers.

Triangle A,B,C, with dashed segment from to vertex, b, perpendicular to side, A C, labeled, 5. Angle, A, labeled 45 degrees. Angle, C, labeled 30 degrees.

The height creates two special right triangles. What are the and triangle patterns?

The length of the hypotenuse of a  triangle is twice the side opposite the 30 degree angle.  The hypotenuse of a  triangle is  times the length of one of the legs.