3 years ago

HELP ME PLZ I WILL GIVE 30 POINTS!!!!!

Mathematics

1 answer:

arsen [322]3 years ago

4 0

Answer:

Step-by-step explanation:

Step-by-step explanation:

Using Pythagoras' identity on the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

AB² = 7² + 4² = 49 + 16 = 65 ( take the square root of both sides )

AB = \sqrt{65} → D

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