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KIM [24]
3 years ago
5

Please help!! Thank u!!​

Mathematics
1 answer:
Marizza181 [45]3 years ago
8 0

Answer:

Step-by-step explanation:

in Δ ADM and Δ CBM

AD║BC and AC cuts it.

so ∠DAM=∠BCM  (alternate angle)

∠AMD=∠CMB ( vertically opposite angles)

AM=CM (given ,M is mid point of AC)

Hence ΔAMD ≡ ΔCMB (ASA=ASA)

AD=CB

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Let the number of rows be x

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x = -48  (rejected, answer cannot be negative) or x = 28

Therefore,
x = 28 
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Check:
Row = 28
Numbers of seat per row = 28 + 20 = 48
28 x 48 = 1344 (Correct)
 
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