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

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, AC, 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.