To write 8/20 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % . 8/20 * 100 = 0.4 * 100 = 40% And finally we have: 8/20 as a percent equals 40%
Because it is an isosceles triangle, the two longer sides are the same length. Therefore multiply 6.3 times 2. To find the length of the base subtract 12.6 from 15.7 to get 3.1 cm.
