Point D is on segment BC. Segment BC measures 8x
1 answer:
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Hello there!
11⁶/11²=11/⁴ because when we divide numbers with the same base, we subtract the powers.
11⁴*11⁵=11⁹ because we add the powers when multiplying numbers with the same base.
I hope this helps you!
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Answer:
≈ 47.2 m
Step-by-step explanation:
let the height from the sea to the base of lighthouse be h₁
let the height from the sea to the top of the lighthouse be h₂
using the tangent ratio in the right triangle
tan55.1° = =
( multiply both sides by 610 )
h₁ = 610 tan55.1°
tan56.5° = ( multiply both sides by 610 )
h₂ = 610 tan56.5°
then
height of lighthouse = h₂ - h₁
= 610 tan56.5° - 610 tan55.1°
= 610(tan56.5° - tan55.1° )
≈ 47.2 m ( to the nearest tenth )