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Dafna11 [192]
2 years ago
15

The formula for the area of a triangle is , where b is the length of the base and h is the height. Find the height of a triangle

that has an area of 30 square units and a base measuring 12 units.
Mathematics
1 answer:
Alexandra [31]2 years ago
3 0
The area of a triangle is A= 1/2bh. Plugging in the values you know, 30= 1/2*12*h.

Solving for h,

30= 1/2*12*h

30= 6h

h=5

The height of the triangle is 5 units.
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Mars2501 [29]

Sum of internal angles on same side of transversal =180

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combining like terms

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3 0
3 years ago
2x+4(2x+7)=3(2x+4)<br> What is x
Rainbow [258]

Answer:

x = -4

Step-by-step explanation:

2x+4(2x+7)=3(2x+4)

Distribute

2x+8x + 28 = 6x +12

Combine like terms

10x +28 = 6x +12

Subtract 6x from each side

10-6x+28 = 6x +12 -6x

4x +28 = 12

Subtract 28 from each side

4x+28-28 = 12-28

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Divide each side by 4

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8 0
3 years ago
Read 2 more answers
Can someone check my answer?
ivanzaharov [21]

The measure of EC is 1 ft.

Solution:

Given data:

AD = 8 ft, DB = 2 ft, AE = 4 ft

To find the measure of EC:

Using triangle proportionality theorem,

<em>If a line is parallel to one side of a triangle intersects the other two sides, then it divides the two side proportionally.</em>

$\frac{AD}{DB} =\frac{AE}{EC}

$\frac{8}{2} =\frac{4}{EC}

Do cross multiplication.

8EC=2\times 4

8 EC = 8

Divide by 8 on both side of the equation, we get

EC = 1

EC = 1 ft

Hence the measure of EC is 1 ft.

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snow_tiger [21]

Answer:

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Step-by-step explanation:


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Step-by-step explanation:

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