Answer:
15
Step-by-step explanation:
The absolute value takes any value and makes it positive.
|15| = 15
<span>=>The triangles have equal base lengths and equal heights...
</span>=>The triangles are congruent....
<span>=>The triangles are similar....
Hope it helps !!!</span>
For the circumference, you actually multiply by 20 because of the formula πd = C [OR 2πr = C]. You meant to double the radius.
