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Mathematics 7 Online
OpenStudy (anonymous):

A toddler’s playground has two slides on either side. The slide on the left is situated at a 45° angle to the ground and is 52 centimeters away from the base of the playground. The slide on the right is positioned at a 30° angle to the ground and is 98 centimeters away from the playground’s base. What is the total length of both slides on this playground rounded to the nearest tenth of a centimeter?

OpenStudy (anonymous):

OpenStudy (anonymous):

i have no idea O______O

razor99 (razor99):

is it area or perimeter

razor99 (razor99):

we have to find

OpenStudy (anonymous):

you have to find the total length of both slides on this playground rounded to the nearest tenth of a centimeter.

OpenStudy (agentnao):

tan 30 = x/98 and tan 45 = x/52 Plug both of those into your calculator and then add them.

OpenStudy (radar):

The length of the slide is the sum of the two hepotenuses 52/Cos 45 degrees +98/Cos 30

OpenStudy (anonymous):

im confused...

OpenStudy (radar):

*hypotenuses

OpenStudy (radar):

What part of this problem confuses you?

OpenStudy (anonymous):

52/Cos 45 degrees +98/Cos 30 i have no idea how to put that into a calculator

razor99 (razor99):

angent nao is correct.

OpenStudy (anonymous):

ahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

razor99 (razor99):

really

razor99 (razor99):

dont belive me ask her

OpenStudy (anonymous):

i didnt say she wasnt correct -___- im just confused

razor99 (razor99):

by the way i am grade 8 and i only know grade 8 mths srry

OpenStudy (radar):

Do you understand the relationships within a right triangle?

OpenStudy (anonymous):

somewhat ..

OpenStudy (anonymous):

i just need the answer so i can finish this darn test haha

OpenStudy (radar):

With respect to the other two angles (not the right angle) there exists the following relationships. \[\cos \theta=adjacent \div hypotenuse \]

OpenStudy (radar):

Oh OK. 186.699758

OpenStudy (anonymous):

thank you very much : )

OpenStudy (anonymous):

is that rounded to the nearest centi?

OpenStudy (radar):

No, rounding off to the nearest centimeter would be187 centimeter.

OpenStudy (anonymous):

allrightay thank you so much : )

OpenStudy (radar):

ur most welcome

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