Question

answer quick please ...

Answer 1

Answer:

1. according to the the Pythagoras theoram

perpendicular square + base square= hypotenous square so

1. AD=13

• thats why

AD square=194 so,

1. AD=13.9

Answer 2

Answer:

a) Because it is given that both the ∆ABC and ∆DCA are right angled

therefore, ∆ABC =90°

so, by Pythagoras theorem we can get

the value of AC=13cm

Step-by-step explanation:

b) Given; ∆ACD=90°

BY Pythagoras theorem

AD**=AC**+CD**. (no.of * indicates the power)

AD**=13**+ 5**

AD** =169 + 25

AD** = 194

AD = √194 = 13.928

Thus; AD=13.9cm