In how much time the interest on a certain money be 0.25 times the principal amount when rate of interest is 10% per annum?

11/4 is the answer to this question

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two