Answer:
236.3 feet squared.
Step-by-step explanation:
Base Surface Area = 8 squared
= 64 feet squared
Lateral Surface Area =
2×8× √
( 8 )2 + 102
2
= 172.3 feet sqaured
Total Surface Area = 236.3 feet squared
Please brainliest! I worked so hard!
9514 1404 393
Answer:
78.5 km
Step-by-step explanation:
Measured at the airport, the angle between the two planes is ...
180° -60° -50° = 70°
The law of cosines tells us the distance between the planes is ...
d = √(50² +80² -2·50·80·cos(70°)) ≈ √6163.84 ≈ 78.5 . . . km
The planes are about 78.5 km apart.
Answer:
sorry is its complicated
Step-by-step explanation:
Find the components of the definition.
f
(
x
+
h
)
=
x
2
+
2
h
x
+
h
2
−
9
f
(
x
)
=
x
2
−
9
Plug in the components.
f
(
x
+
h
)
−
f
(
x
)
h
=
x
2
+
2
h
x
+
h
2
−
9
−
(
x
2
−
9
)
h
Answer:
a or b
Step-by-step explanation: