Answer is 5<span>√2 (second choice)
c^2 = 5^2 + 5^2
c^2 = 50
c = </span><span>√50
c = </span>√25 <span>√2
c = 5</span><span>√2</span>
............................
Your answer is D because you take the area of the triangle and the area of the parallelogram and add them together
Answer: 49
Step-by-step explanation: A coefficient is the number placed in front of the variable, meaning n is the unknown number, aka variable. Making 49 the coefficient to that variable.
Hope this helps ^^