Q: A right triangle has a hypotenuse of 155 cm and a leg of 124 cm?

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From the Pythagorean theorem, leg1squared plus leg2 squared = hypothenuse squared. If leg 1 = 124 and hypothenuse is 155 then 155 squared - 124 squared is 8649 and the leg2 is square root of 8649 = 93 cm

Third leg = sqrt(1552 - 782) = sqrt(24025 - 6084) = sqrt 17941 = 133.944cm

124 is 80 percent of 155.Proportion124/x = 80/100Cross multiply: 80x = 12400Simplify: x = 155

Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 31, 124/155 is equal to 4/5 or four fifths.

31, 62, 93, 124, 155

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From the Pythagorean theorem, leg1squared plus leg2 squared = hypothenuse squared. If leg 1 = 124 and hypothenuse is 155 then 155 squared - 124 squared is 8649 and the leg2 is square root of 8649 = 93 cm

Then using Pythagoras; theorem its other leg is 93 cm

According to Arthur Pythagoras the third side is sqrt (1552 - 782) ie 133.94 cm

Third leg = sqrt(1552 - 782) = sqrt(24025 - 6084) = sqrt 17941 = 133.944cm

31 124=31x2x2 155=31x5

Well, 0.20*155 is 31, and 155-31=124, therefore 20% off of $155 is $124.

125% of 124= 125% * 124= 1.25 * 124= 155

124 is 80 percent of 155.Proportion124/x = 80/100Cross multiply: 80x = 12400Simplify: x = 155

Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 31, 124/155 is equal to 4/5 or four fifths.

31, 62, 93, 124, 155

They are: 31 62 93 124 155 and 186

155-144-124