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masya89 [10]
3 years ago
11

Can someone please give me the (Answers) to this? ... please ... I need help….

Mathematics
2 answers:
babunello [35]3 years ago
6 0

Answer:

1. A. 20cm

2. 9,40,41

3. False

Nata [24]3 years ago
3 0

Answer:

\tt b=20

Step-by-step explanation:

<h3>1) </h3>

Use the Pythagorean theorem

\tt b^2+15^2=25^2

\tt b^2+15* 15=25*25

\tt b^2+225=625

\tt b^2=625-225

\tt b^2=400

\tt b^2=20*20

\tt b^2=20^2

\tt b=20

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