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My name is Ann [436]
4 years ago
14

The triangle area is 90ft^2 and the height is 10 what's the base

Mathematics
1 answer:
Sidana [21]4 years ago
4 0
Area of triangle = 1/2 x base x height
Let the base be "b"

90 = 1/2 x 10 x b
90 = 5b
b = 18 ft

Base = 18 ft
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A l-meter steel rod is bent into a rectangle so that its length exceeds quadruple its width
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Answer:

The dimensions of the newly formed rectangle is length is 41 cm and width is 9 cm.

Step-by-step explanation:

Given,

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Let the width of the rectangle be 'x'.

Now According to question, length exceeds quadruple its width by 5 cm.

Hence framing the above sentence in equation form, we get;

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2(4x+5+x)=100\\\\(5x+5)=\frac{100}{2}\\\\5x+5=50\\\\5x=50-5\\\\5x=45\\\\x=\frac{45}{5}=9

Now, we substitute the value of x to get the value of length;

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6 0
3 years ago
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A sector with a central angle measure of 200 degrees has a radius of 9cm
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Answer:

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