Find x in this right triangle
1 answer:
<u>Since the </u><u>triangle</u><u> is right angled, we may use pythagoras theorem to find the third side.</u>
<u>Pythagoras theorem :-</u>
KI^2 + JI^2 = KJ^2
<u>substituting the known values in the formula,</u>
x^2 + 3^2 = 5^2
x^2 + 9 = 25
x^2 = 25 - 9
x^2 = 16
x = √16
x = 4
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•°• value of x is 4cm
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(4,4) is a solution to both line A and B
Y+x=98
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I'm going to use elimination.
y+x=98
y-x=22
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2y+0x=120 SIMPLIFY 2y=120 SIMPLIFY y=60.
Substitute that into either equation and you get y=60 and x=38
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