30+4+2=36
Assuming the triangle is an equilateral triangle, each side is equal to 42/3 = 14 millimetres long. Increasing the sides by 50 percent makes each side 14 x (1 + 50/100) = 14 x 1.5 = 21 millimetres. Therefore, the perimeter of this new triangle will be 21 x 3 = 63 millimetres.
There's no question there. Something is missing. But your math book probably explains how to solve this anyway.
10 percent of 3 square centimeter is 0.3 square centimeter.
10.3 square centimeter.
1 centimeter is 1 percent of 1 meter. 1 meter is 100 centimeter.
5.8mm
"...increased by four percent" is a fragment because it lacks a subject. WHAT increased by four percent?
Perimeter of a square = 4 sides Answer: 1 side = 25% of the Perimeter
66 increased by 88 percent = 124.1
95 increased by 90 percent = 180.5
22,500 increased by 4 percent = 23,400
3000 increased by 6 percent = 3,180