Write the equation for this direct variation function if the thunder clap from lightning 5 km away takes 15 seconds to reach you.​

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

i think the answer is b x = 1, y = 35/2

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