Answer:
maybe c?
Step-by-step explanation:
you could try
Add all the sides then divide by how many sides it is
Answer:
70
Step-by-step explanation:
In this problem 7 is 10% of Ben Franklin's age. To solve you must find what 100% percent of his age is. To do this multiply 7 by 10. You do this because 10% times 10 is equal to 100%. Therefore, his age is 70.
61° all triangles equal 180 so all you do is add up each of the angles then subtract it from 180