Just add up all the numbers
No you would not use the Pythagorean Theorem, You would take the two sides and multiply them together, and divide it by 2.
Answer:
1, 3, 7, 21
Step-by-step explanation:
1, 3, 7, 21
(The bolded is one factor and the other that is not bolded is another factor)
1 times 21 is 21
3 times 7 is 21
Answer:
17
Step-by-step explanation: