Question

How shall we do the (iii) question for fig 16.10

Answer 1

Use pythogoras theorem
${ad}^{2} = {dc}^{2} + {ac}^{2}$
Then ac^2=ad^2-dc^2
Then you will get the answer

Answer 2

Answer:

Use pythogoras theorem

{ad}^{2} = {dc}^{2} + {ac}^{2}  

Then ac^2=ad^2-dc^2

Then you will get the answer

Step-by-step explanation: