Question

Find x.

AB= 10
A= 12
CD= 17
Round to 1 decimal place.

Answer 1

The value of x in the diagram is 14.2

Creating a proportional expression ;

• AB = DE
• AC = CE

Substituting the values into the relation;

10 = x

12 = 17

cross multiply

12x = 10 × 17

12x = 170

x = 170/12

The value of x in the diagram is 14.2