If the square of the length of the longest side of a triangle is less than the sum of the squares of the lengths of the other two sides, then what type of triangle was formed? right acute obtuse scalene

Acute triangle was formed.

This is what you need to know

In ABC with longest side c:

 c²<a²+b² then the triangle is acute.

 c²=a²+b² then the triangle is right.

c²>a²+b²  then the triangle is obtuse.

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step-by-step explanation:

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet