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Mathematics 14 Online
OpenStudy (shadyykatie):

8. Find the value of x. If your number is not an integer, leave it in simplest radial form. The diagram is not to scale. 9. Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale. 10. A slide 4.1 meters long makes an angle of 35° with the ground. To the nearest tenth of a meter, how far aboe the ground is the top of the slide?

OpenStudy (shadyykatie):

# 8

OpenStudy (anonymous):

so for 10 draw a right triangle

OpenStudy (anonymous):

|dw:1392681378961:dw|

OpenStudy (anonymous):

so now do u know the Pythagorean theorem

OpenStudy (shadyykatie):

# 9

OpenStudy (shadyykatie):

# 10

OpenStudy (anonymous):

so for 10 what is the pythagorean theorem do u know

OpenStudy (shadyykatie):

A^2 + B^2 = C^2 A^2 + 35^2 = 4.1^2

OpenStudy (anonymous):

opposite the bigger number will be c^2 so should be \[x^2+4.1^=35^2 \] so now solve for x

OpenStudy (shadyykatie):

so x = 1208.19

OpenStudy (shadyykatie):

is that correct?

OpenStudy (anonymous):

x^2=1208.19 now take the square root of that number

OpenStudy (shadyykatie):

34.75

OpenStudy (shadyykatie):

@ninab731 would you mind helping me with number 8 and 9? Sorry

OpenStudy (anonymous):

|dw:1392682512872:dw| this is another special right triangle 30-60-90

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