Isolate x
So xy - 2 = k
Then
xy = k + 2
x = (k+2)/y
Look up what is mean and calculate it.
Since it is a 45-45-90 right triangle, the formula is:
Hypotenuse= sqrt2 * leg
Since you know hypotenuse = 9sqrt2 the leg has to be 9
Answer:
-5
Step-by-step explanation:
Answer:
C. 60
Step-by-step explanation:
From triangle ADB,







From triangle ADC,





The perimeter is the distance around the figure.
The perimeter

