Math, asked by milcahtesfaye0, 4 months ago

please answer with a brief explanation

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Answered by prataprudra30283

1

Answer:

AD = 8.6 cm

Step-by-step explanation:

EB = BC (Given)

4cm= BC

By Pythagoras Theorem

(EB) ² + (BC) ² = (EC) ²

(4)² + (4)² = (EC) ²

(16 + 16) = (EC) ²

√(32) = EC

4√2 cm = (EC)

4×1.4 cm = EC

5.6 cm = EC

So, AD = AE + ED

AD = 3 cm + 5.6 cm

AD = 8.6 cm..

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