10 is a good number because is what adds to 100 and the number 100 is lucky. This is what i think.
Answer:
no triangle
Step-by-step explanation:
You are right with : Which shapes could a pentagon be decomposed into to find its area? Chose all that apply.
C. five triangles
D. one triangle and one trapezoid
And #2: Is (A) and (C)
If you don’t your answer will not be correct also when you use them it helps you find the correct answer