Answer:
Step-by-step explanation: Go on answer.com if no one knows it on here. Hope this helps!!
If similarity ratio means the ratio between the lengths of the cubes:
Answer:
a=31
Step-by-step explanation:
1/2(a-9)=11
a-9=22
a=22+9
a=31
Answer:
29°: Acute 90°: Right 61°: Acute
Step-by-step explanation:
If an angle is less than 90 degrees, it is acute. If it is greater than 90 degrees, it is obtuse. If it is exactly 90 degrees, it is right.