Question

II. Do as directed
1. Is the ratio of 130 and 70 same as the ratio of 18kg and 21 kg?

2. Which is smaller or
2/5 or 3/7
3. The sides of a triangle are in the ratio 3:4:5. If the perimeter of the triangle is
84cm, then find its sides

Answer 1

Answer:

1. No

2. 3/7>2/5

3. 3x+4x+5x=84

12x=84

x=84÷12

x=7

1st side is 3×7=21cm

2nd side is 4×7=28cm

3rd side is 5×7=35cm