Which set represents a Pythagorean triple? A: 27, 38, 42
B: 33, 44, 55
C: 35, 38. 42
D: 68. 72.81

Step-by-step explanation:

B

4th option is correct xy=-10

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56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6