The base of the lampshade is a regular hexagon with a side length of 8 inches. Estimate the amount of glass needed to make the l
2 answers:
Answer:
The amount of glass needed to make the lampshade is:
166.27 square inches
Step-by-step explanation:
The base of the lampshade is a regular hexagon with a side length of 8 inches.
Estimate the amount of glass needed to make the lampshade.
Area of hexagon of side s= (3√3 s²)/ 2
Here, s= 8 inches
Area=
=166.27 square inches
Hence, the amount of glass needed to make the lampshade is:
166.27 square inches
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Answer:
see explanation
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Subtract the sum of the given angles from 180 for B
B = 180° - (90 + 47)° = 180° - 137° = 43°
-------------------------------------------------------------
tan47° = =
Multiply both sides by 14
14 × tan47° = a, thus
a ≈ 15.0 (to the nearest tenth )
---------------------------------------------------------------
cos47° = =
Multiply both sides by c
c × cos47° = 14 ( divide both sides by cos47° )
c = ≈ 20.5 ( to the nearest tenth )