A triangle has a perimeter of 50 if 2 of its side are

16. A triangle has a perimeter of 50. If 2 of its side are equal and the third side is 5 more than the
equal sides. What is the length of the third side?
a. 20 b. 15 c. 5 d. 3
17. It is a part of a line that starts from one endpoint and extend forever in one direction.
18. If the sum of two measures of two positive angles is 90 degrees, the angles are called ____.
19. A wood frame for pouring concrete has an interior perimeter of 14 meters. Its length is one meter
greater than its width. The frame is to be braced with twelve-gauge steel cross-wires. Assuming
an extra half-meter of wire is used at either end of a cross-wire for anchoring. What length of
wire should be cut for each brace?