Always when multiplying a positive number by a negative number, the answer is negative. So C and D Are out.
You calculate and Get -84
So, the Answer is A (-84)
Hope this Helps :)
Answer: 80
Step-by-step explanation: multiple b(3) with everything its next to, then add it all up
Answer:
3/8 x 5/8 x 7/8=105/512.
Step-by-step explanation:
Step-by-step explanation:
Size of Interior angle = 180° - 360°/n, where n is the number of sides of the regular polygon.
We have 180° - 360°/n = 160°.
=> 360°/n = 20°, n = 18.
Therefore it is a 18-sided regular polygon.
