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Mathematics 12 Online
zarkam21 (zarkam21):

Somebody help?

zarkam21 (zarkam21):

OpenStudy (greenbannanabob):

First, find the length of hypotenuse EF.

jhonyy9 (jhonyy9):

zarkam why dont believe me ?

zarkam21 (zarkam21):

41.4

zarkam21 (zarkam21):

@jhonyy9 you never confirmed my answer

jhonyy9 (jhonyy9):

this is a right triangle so use what i have wrote you before

zarkam21 (zarkam21):

Is the final answer 1.15

jhonyy9 (jhonyy9):

i have got 43,56

OpenStudy (greenbannanabob):

Ok, 41.4 is correct. Now I can't remember the name of this rule at the moment but whenever there is an altitude in a right triangle, all 3 triangles created are similar. For triangle DEG, what do you think EG corresponds to in triangle EFG?

jhonyy9 (jhonyy9):

x = 33^2 divide 25

jhonyy9 (jhonyy9):

the altutude theorem say that the altitude squared is equal with the product of them shadow on the hypotenuse

zarkam21 (zarkam21):

EG?

jhonyy9 (jhonyy9):

33^2 = x*25 x = 33^2 /25

zarkam21 (zarkam21):

43.56

OpenStudy (greenbannanabob):

|dw:1458921834991:dw|

jhonyy9 (jhonyy9):

exactly 43,56

OpenStudy (greenbannanabob):

43.56 is correct, but do you see why?

zarkam21 (zarkam21):

Yes

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