12 = 400
=
15 = 15 *
= 500.
∴ 500 people took the survey
30 plus EF = 180
Ef = 150
circumscribed angle plus the central angle is 180
Answer:
1184.5
Step-by-step explanation:
150+400+180+300=1030
1030 × 15% = 154.5
(15% is also 0.15)
1030 + 154.5 = 1184.5
I hope this helps you :)
the 10th questions answer is aaa congruence
