Question

6. Arvind is eight years older than his sister. In three years, he will be twice as old as his sister. How old are they now?

7. The angels of a triangle are in the ratio 1:2:3. Find their measure in degrees.​

Answer 1

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Answer:

1. So the age of his sister now is 5 years and the age of Arvind is 5+8=13years
2. if the angle of a triangle are in the ratio 1:2:3 then the smallest angle in the ratio is. Angles are 30° , 60°.