MATHEMATICS2= 2.5. 114= 1.25. 2.5 × 1.25 = 3.125 OR 3 8

31. b. The dimensions of triangle MNO are double

recognizing that the triangle is a 5-12-13 triangle,

or by using the Pythagorean theorem. 5 + 12 + 13

those of triangle RST. Line segment RT is 5 cm;

= 30.

therefore line segment MO is 10 cm.