What is the length of the hypotenuse of the triangle when x=8?

17 units.

Step-by-step explanation:

Let`s name the unknown quantity as

x

so according to the Pythagorean formula...

x 2 = ( 15 ) 2 + ( 8 ) 2

x 2 = 225 + 64

which is

x 2 = 289

doing the square root on both the sides,

x = √ 289

x = 17 units

hence the length of the hypotenuse is 17 units.

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~9.27

Step-by-step explanation:

6*8+6=54

4*8=32

54+32=86

The square root of 86 is ~9.27

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

ok then what happened.