Question

Please answer this question you'll get 20 points​

Answer 1

Answer:

CD is 1.58 cm.

Step-by-step explanation:

Given:

∠D = 90°

AB = 8cm

BC = 6cm

CA = 3cm

To find:

The value of CD

Solution:

In Δ ACD, using the Pythagoras theorem, we get

substituting the value of AC

 (i)

In Δ ABD, using the Pythagoras theorem, we get

substituting the value of AB & BC

(ii)

Now, from (i) & (ii), we get

Thus, the value of CD is 1.58 cm.