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zavuch27 [327]
3 years ago
12

The formula for the area of a triangle is A=12bh , where b is the base of the triangle and h is the height of the triangle. What

is the length of the base if the area is 22 cm2 and the height is 8 cm?
Mathematics
2 answers:
Delvig [45]3 years ago
6 0
If the formula is A = 1/2 * b * h and we know that A = 22 and h = 8, then we can write it down as:

22 = 1/2 * b * 8
22 = 1/2 * 8b
22 = 4b                          / ÷ 4 (both sides)
b = 5.5

Answer: Length of the base is <span><u>5.5 cm</u></span><u />.

Doublecheck:

1/2 * 5.5 * 8 =
= 2.75 * 8 =
= 22

Correct :)



Studentka2010 [4]3 years ago
3 0

Answer:

7  

8

28

33

Step-by-step explanation:

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Find the value of x if a, b, and c are collinear points and b is between a and c. ab=x,bc=x 2,ac=14
Aleks04 [339]

The value of x is 7 for the given collinear points a, b, and c as b is the mid-point of ac.

According to the given question.

a, b, and c are collinear points. Which means all points a, b, and c lie in a same plane.

b is lies between a and c.

Also,

ab = x, bc = x and ac = 24.

Since, b lies in between a and c, and it is given that ab = x and bc = x.

Which means b is the mid point of ac.

Therefore,

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Substitute the values of ab, bc and ac in the above equation.

⇒ x + x = 14

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⇒ c = 14/2

⇒ c = 7

Therefore, the value of x is 7.

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brainly.com/question/1593959

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8 0
2 years ago
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ANEK [815]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

Hope It Helps

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