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MariettaO [177]
2 years ago
8

Help a broooo outttt

Mathematics
1 answer:
fiasKO [112]2 years ago
7 0

Answer:

42

Step-by-step explanation:

Let the missing length be represented as "x".

Based on the angle bisector theorem, we have the following equation:

x/21 = 30/15

x/21 = 2/1

Cross multiply

x*1 = 2*21

x = 42

Missing length = 42

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