Question

need help with this
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Answer 1

Answer:

The correct answer is option b) 16 cm

Answer 2

Step-by-step explanation:

Triangle CDE is right angled triangle at D.

So, by pythagoras theorm

${ce}^{2} = {cd}^{2} + {de}^{2} \\ \\ {cd}^{2} = {ce}^{2} - {de}^{2} \\ \\ = {34}^{2} - {30}^{2} \\ \\ = 1156 - 900 \\ \\ = 256 \\ \\ so...cd = 16cm$

hope it helps.......✌✌