9th mathematics exercise question with answer, Mathematics

Ratio and Proportions – Exercise 2.4.2 – Class IX

1. In the adjacent figure, two triangles are similar find the length of the missing side Solution: Let the triangles be ABC and PQR BC/QR = AC/PR 5/X  = 13/39 13X = 5 X 39 X = 5X39/13  = 5 X3 = 15 What number is to 12 is 5 is 30? Solution Let x… Continue reading Ratio and Proportions – Exercise 2.4.2 – Class IX

9th mathematics exercise question with answer, Mathematics

Ratio and Proportions Exercise 2.4.2 – Class IX

1. In the adjacent figure, two triangles are similar find the length of the missing side Solution: Let the triangles be ABC and PQR BC/QR = AC/PR 5/X  = 13/39 13X = 5 X 39 X = 5X39/13  = 5 X3 = 15 What number is to 12 is 5 is 30? Solution Let x… Continue reading Ratio and Proportions Exercise 2.4.2 – Class IX