Answer:
a
Step-by-step explanation:
about 4000 meters tall
Yes. A regular polygon is equilateral and equiangular; an equilateral triangle is both equilateral and equiangular, so a triangle can be a regular polygon.
Hope this helps!
I round the answer to the second digit and get 18.33
Answer:
47 cm²
Step-by-step explanation:
3(9 - 4) + 8 × 4 = 15 + 32 = 47