Martin was 10 years old last year. This year, His brother's age is 2 times of Martin's. How old is Martin's brother this year?​

22

Step-by-step explanation:

Martin was 10 years old last year so this year martin will be 10+1 = 11 years old

According to the question his brother is 2 times of his age that is

11 x 2 = 22

22 years old

Answer From Gauth Math

the answer for this question is : 360°

step-by-step explanation:

we have been given a triangle   we need to tell which one of these is a triangle below to map onto itself.

360° rotation is the complete rotation which eventually leads to the same figure which is given.

the correct will be, that is 360° that will cause the triangle below to map onto itself.