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cluponka [151]
1 year ago
6

A triangle has three angles measuring x degrees.

Mathematics
1 answer:
Marat540 [252]1 year ago
6 0

Answer: PLATO

Step-by-step explanation:

HI THERE

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A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?
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Answer: 147 square feet.

Step-by-step explanation: 7x7x3= 147 square feet.

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3 years ago
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In isosceles right triangle ABC, point is on hypotenuse \overline{BC} such that \overline{AD} is an altitude of \triangle ABC an
Dmitriy789 [7]

Answer:

Area of triangle is 25.

Step-by-step explanation:

We have been given an isosceles right triangle

Isosceles triangle is the triangle having two sides equal.

Figure is shown in attachment

By Pythagoras theorem

BC^2=AC^2+AB^2

AD is altitude which divides the triangle into two parts

DC=5 implies BC =10 since D equally divides BC

Let AC=a implies AB=a being Isosceles

On substituting the values in the Pythagoras theorem:

10^2=a^2+a^2

100=2a^2

\Rightarrow a^2=50

\Rightarrow a=\pm5\sqrt{2}

WE can find area of right triangle by considering height AB and AD

Area of triangle ABC is:

\frac{1}{2}\cdot BC\cdot AD     (1)

\Rightarrow \frac{1}{2}\cdot 10\cdot AD

And other method of area of triangle is:

\frac{1}{2}\cdot AB\cdot BC       (2)

Equating (1) and (2) we get:

\frac{1}{2}\cdot 10\cdot AD=\frac{1}{2}\cdot a\cdot a

\Rightarrow AD=\frac{a^2}{10}

\Rightarrow AD=\frac{50}{10}=5

Using area of triangle is: \frac{1}{2}\cdot BC\cdot AD

Now, the area of triangle ABC=\frac{1}{2}\cdot 5\cdot 10

\Rightarrow 25



4 0
3 years ago
GC = 4x + 5, CF = 3x – 2, and GF = 24. What is the value of x?
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How old are you is x is hmmm gc 25 cf 6
7 0
3 years ago
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Work out the value of x​
mario62 [17]

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The letter "x" is often used in algebra to mean a value that is not yet known.

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Step-by-step explanation:

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Simplify the expression: <br> r -3 -r
Ymorist [56]

Answer:

-3

Step-by-step explanation:

Combine the opposite terms in  r  −  3  −  r .

8 0
2 years ago
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