3 years ago

HELP ME! I BEG YOUUUU

Mathematics

1 answer:

timama [110]3 years ago

7 0

Answer:

Step-by-step explanation:

Using the pythagorean theorem we have DE^2 + 5^2 = 13^2

DE^2 = 169 - 25 = 144

DE = sqrt144 = 12

Or, you could just remember the triangle 5-12-13, as it is pretty common, along with 3-4-5, 7-24-25

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