Question

please tell me the answer quickly. I have math exam tomorrow .
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Answer 1

hope it helps you..

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Answer 2

Answer:

Step-by-step explanation:

Height of ethan if the length of his shadow is 144 cm = 180 cm

Therefore, Height of object which shadow's length is 1 cm = 180÷144

Thus, height of AB if its shadow's length is 400 cm = (180÷144) ×400

= 500 cm.

Hence, the length of AB is 500 cm.