There are 7 terms in this series.
Answer:
B. 32.154 in²
Step-by-step explanation:
A= 3.14 * r^2
A= 3.14 * 3.2^2
A= 32.154
Step-by-step explanation:
sum of all the angles in a triangle is equal to 180°
82 + 70 + (2x + 4) = 180
152 + 2x + 4 = 180
156 + 2x = 180
2x = 180 - 156
2x = 24
x = 12
Answer: a=10
Step-by-step explanation: