Answer:
15'
Step-by-step explanation:
12 squared + 9 squared =225
144 81
then square root 225 to get 15
The angle is 60° because it is one of three angles that make up an equilateral triangle.
Hope this helps! :)
Helps you learn mathematical concepts, such as the four basic arithmetical operations and finding divisors.
Answer:
Sequence: Reflection over the y-axis, then 1 to the right and 2 down to get the triangle ABC to A'B'C.
Step-by-step explanation:
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