lindseyrizzuto lindseyrizzuto

Today at 12:24 PM
Mathematics

Answered

someone please help me answer this

someone please help me answer this class=

Answer :

tiffanylina18 tiffanylina18

Today at 12:29 PM

b= 30
a2+b2=c2
72^2+b^2 = 78^2
5184+b^2 = 6084
b2 = 900
b = 30

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samuelpoly011 samuelpoly011

Today at 12:28 PM

Answer:

b = 30 km is the answer

Step-by-step explanation:

a = 72 km

b = ?

c = 78 km

According to the Pythagoras theorem,

a² + b² = c²

72² + b² = 78²

5184 + b² = 6084

b² = 6084 - 5184

b² = 900

b = 30 km

∴ b = 30 km is the length of the missing leg

Answer Link

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