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Can you please go step by step??
You need to learn that this is one of the special right triangles. The 45-45-90. In this triangle, the hypotenuse is the leg multiplied by sqrt2
ok. But we do not have a leg length so what do we do?
ok. so it is |dw:1326907235271:dw|?
Yes. Now simplify
wait. why do you multiply by sqrt of 2/sqrt of 2????
To get the radical out of the denominator because a radical in the denominator is not considered simple form.
oh ok. so the answer would be 21sqrt 2?
ok can i post another in this so i can possibly try and you can tell me if i am correct?>
ok here In △JKL, what is the length of line segment KL? Right triangle JKL with JK measuring 33, angle J measures 60 degrees and angle L measure 30 degrees. Answer 33radical 2 33radical 3 16.5 66
see this is a 30-60-90. what do i do to find the other leg?
This is the other special right triangle. Everything is related to the short leg which is the leg opposite the 30 degree angle.
short leg times 2 = hypotenuse short leg times sqrt3 = long leg
oh okkkkkk...thanks..i may have on emore im not sure ok?
A ladder leans against a house at a 60° angle to the ground. If the ladder extends to a length of 132 inches, what is the height of the house to the nearest hundredth of an inch? House with a ladder measuring 132 inches forming a right triangle. The base angle formed by the ladder is 60 degrees.
this makes no sense
It is the same triangle but this time we know the hypotenuse and have to find the long leg.
First, find the short leg. What is it?
Yes. Now find the long leg. What is it?
but it says the nearest hundreth of an inch...
Well then pick up you calculator and multiply sqrt3 by 66 and round to the nearest hundredth
oh ok thankssss so much! i will be back soon ok? you have helped alot and i appreciate it
I have to go work out now anyway.
wait! i have one last question!!!! how do you find the short leg if the give you the long leg?
Well, if you multiply the short leg by sqrt3 to get the long leg, then you should divide the long leg by sqrt3 to get the short leg.
merts are you back???