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Ostrovityanka [42]
3 years ago
7

I will give brainiest to whoever answers correctly !! can someone smart help me out !!

Mathematics
1 answer:
Anit [1.1K]3 years ago
7 0

Answer: Im pretty sure part A is 133$

Step-by-step explanation:

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A triangle has an area of 20 cm2 and a height of 5 cm. How long id the base?
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The base of given triangle is 8 cm.

Further explanation:

The area of triangle is calculated by using two methods

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Hero's formula requires all three sides of triangle while we can use only base and height in second formula.

Given

A = 20\ cm^2\\h = 5\ cm

As the area of triangle and height are given, then

A = 0.5*b*h\\20=0.5*b*5\\20=2.5b\\b=\frac{20}{2.5}\\b=8\ cm

The base of given triangle is 8 cm.

Keywords: Area of triangle, base, height

Learn more about area of triangle at:

  • brainly.com/question/4980053
  • brainly.com/question/4892332

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