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horsena [70]
3 years ago
7

PLEASE HELP! I WILL MARK YOU AS BRAINLIEST!

Mathematics
2 answers:
velikii [3]3 years ago
7 0

Answer:

10 cm²

Step-by-step explanation:

The area of a square = s², where s is the measure of the side

To calculate the side use Pythagoras' identity

Consider the lower side with right triangle legs 3 and 1, then

side² = 3² + 1² = 9 + 1 = 10 ( take the square root of both sides )

side = \sqrt{10}, thus

area = (\sqrt{10} )² = 10 cm²

Bogdan [553]3 years ago
6 0

Answer:

10

Step-by-step explanation:

s = sqrt(1² + 3²)

s = sqrt(10)

Area = s²

= 10 cm²

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