A to K = 640 meters
2AC = CF = 2FK
2AC = 2(160) = 320
CF = 320
2FK = 2(160) = 320
AC = 160
CF = 320
FK = <u>160</u>
AK 640
BG = 20 m ; Area = (160m*20m) / 2 = 3,200/2 = 1,600 m²
20:160 = x : 320
20*320 = 160x
6,400 = 160x
6,400/160 = x
40 = x
Area of CDF = (320m*40m) / 2 = 12,800 / 2 = 6,400 m²
Answer:
C
Step-by-step explanation:
A=(1/2)(h)(B+b)
(6)=(1/2)(h)((2)+(1))
12=h(3)
h=4
Answer: h=4
The third box plot is your answer