Geometry: Help this makes no sense I don’t think there’s enough info needa find x so you have a triangle and you have a 90 degre
e angle and across that is the hypotenuse which is 18
1 answer:
Answer:
9√2
Step-by-step explanation:
a^2+b^2=c^2
a^2+b^2=18^2
a^2+b^2=324
324 ÷ 2 = 162
162 + 162 = 324 (on a 45 45 90 right triangle)
81 and 2 are factors of 162
square root of 162
√162 = √81 * 2 = 9√2
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