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Mathematics 9 Online
OpenStudy (narissa):

last one can someone help me

OpenStudy (narissa):

OpenStudy (narissa):

@Nnesha

OpenStudy (anonymous):

use pythagoras theorem... \[hypotenuse ^{2} = base ^{2} + perpendicular ^{2}\]

OpenStudy (anonymous):

here you have hypotenuse = 20 and base = 14

Nnesha (nnesha):

same like last one same formula do it first and let me know what you get

OpenStudy (anonymous):

and you have to find the value of perpendicular... so put the given value u will get the answer

Nnesha (nnesha):

|dw:1427581455758:dw| \[\huge\rm a^2 +b^2 =c^2\] again longest side which is hypotenuse is c

OpenStudy (narissa):

is it 24.41?

OpenStudy (narissa):

@Nnesha

OpenStudy (narissa):

i put 200*200 and 14*14 and got 596 and then the square root is 24.41 is that right?

Nnesha (nnesha):

200 ?? where did you get 200?

OpenStudy (narissa):

oops 20*20=400

OpenStudy (narissa):

@StudyGurl14

Nnesha (nnesha):

how did you substitute that into the formula

OpenStudy (narissa):

im confused thats how the other person showed me to do it

Nnesha (nnesha):

\[a^2 + b^2 =c^2\] replace variables by their values and show me ur work

OpenStudy (narissa):

this is hard i showed u how i was doing it

OpenStudy (narissa):

@StudyGurl14

Nnesha (nnesha):

no i'm saying how did you substitute

Nnesha (nnesha):

a = ?? b =? c=??

OpenStudy (narissa):

this is hard i showed u how i was doing it

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