In ΔGHI, the measure of ∠I=90°, the measure of ∠G=31°, and IG = 6.3 feet. Find the length of HI to the nearest tenth of a foot.

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answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0

answer: 1inch=7days  

12inch=12*7=84days

step-by-step explanation: