Cotx • secx • sinx = 1

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove