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Altair
 2 years ago
Best ResponseYou've already chosen the best response.1The base of the tent measures 96 inches wide, and the length from the top point of the tent to the corners of the base is 102 inches.

Altair
 2 years ago
Best ResponseYou've already chosen the best response.1What is the length of the pole that Daniel needs to support the middle of the tent?

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3Use pythagoras' theorem :)

Altair
 2 years ago
Best ResponseYou've already chosen the best response.1how do u suppose i do dat?

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3imagine a line from the top point to the middle of the base. You now have two right angled triangles. Use pythagoras' theorem on one to find the height (the line you've drawn in) a^2+b^2=c^2 a=96/2=48 b=the height c=102 48^2+b^2=102^2 2304+b^2=10404 b^2=104042304=8100 b=sqrt(8100) b=90

Altair
 2 years ago
Best ResponseYou've already chosen the best response.1A. 72 inches B. 180 inches C. 96 inches D. 90 inches

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3b=90, so b is answer D! Do you understand it?

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3use pythagoras' theorem again. in this case: a=sqrt(40) b=3 c=z on the diagram so: sqrt(40)^2+3^2=c^2 40+9=c^2 49=c^2 c=sqrt(49) c=7 :)

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3are you actually understanding this or just taking the answers? if you're learning you should be able to work this out now. remember, for right angled triangles, just use pythagoras' theorem!

Altair
 2 years ago
Best ResponseYou've already chosen the best response.1im having trouble with the squareroot part

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3what exactly do you mean? :)

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3are you doing the question you attached? how does the sqrt(15) come into it?

Altair
 2 years ago
Best ResponseYou've already chosen the best response.1im doing em i just dont understand em

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3so you are doing the attached one? do you know pythagoras' theorem?

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3correct :) in this case you need to find a, so rearrange the equation so that a is by itself

Altair
 2 years ago
Best ResponseYou've already chosen the best response.1but the square root how do i figure that

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3when you rearrange, the equation is: a^2=c^2b^2 i think you mean sqrt(53)=z? In pythagoras' theorem, the z is the equivalent of c because it is the hypotenuse, so you subsitute this into the equation: a^2=sqrt(53)^2b^2 when you square a square root, you're basically just getting rid of the square root, so sqrt(53)^2=53 does that help?

Zara
 2 years ago
Best ResponseYou've already chosen the best response.3good, so you can answer the question now? :)
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