so you are going to use the Pythagorean theorem on the smaller triangle to find the connecting side's length

now you can find the bigger triangle's hypotenuse

c=4
Can you re order them I don’t understand your problems
Answer:
Acute
Step-by-step explanation:
7² + 9² ? 11²
49 + 81 ? 121
130 is greater than 121, so it is an acute triangle
A mixed number that is equivalent to 16/3 is
5 1/3
Divide 42 by 4 for one fourth. Divide 13.5 by 5 and multiply that by 2.