Answer:
B. 3, 3, 2
Step-by-step explanation:
The triangle inequality requires the sum of the lengths of the two shortest sides exceed the length of the longest side. That is the case only for the lengths of selection B:
2 + 3 > 3
Answer:
5)
8, 6, 4, 2= 67°
5,7,1,3= 113°
6) not sure about this one!
Answer:
71°
Step-by-step explanation:
31-3x+19x-5=90
16x=90-26
16x=64
x=4
m<R=19x-5 = 19(4)-5 = 76-5 = 71
9514 1404 393
Answer:
- 25 seats per row in 18 rows
- 30 seats per row in 15 rows
Step-by-step explanation:
The total number of seats is 470 -20 = 450.
The number of seats in a row is found by dividing seats by rows.
<u>In 18 rows</u>
450 seats/(18 rows) = 25 seats/row
<u>In 15 rows</u>
450 seats/(15 rows) = 30 seats/row