To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.
Answer:
im not 100% sure but its "c"
What you have there is a list of the squares of 3 consecutive odd numbers.
They're the squares of 5 (25), 7 (49), and 9 (81).
So the next one could be the square of the next odd number ... 11 .
11 squared = <em>121
</em>
Reflections and glide reflections both give you a transformation where the preimage and image have opposite orientations.
The answer to the question is 6