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Anastasy [175]
2 years ago
15

The figure below shows a trapezoid, ABCD, having side AB parallel to side DC. The diagonals AC and BD intersect at point O.

Mathematics
1 answer:
Helga [31]2 years ago
4 0

Answer:

I believe it's D.

Lmk if I was right, cause I'm 98% sure on this

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For a spear with a radius of 8 what is the surface area​
UkoKoshka [18]
Solution
A=4πr2=4·π·82≈804.24772
Approximately = 804.25
6 0
2 years ago
Two corresponding sides of similar triangles are 2 cm and 5 cm. What is the area of the second triangle if the area of the first
Stella [2.4K]

Answer:

(1) Area of second triangle= 50 cm^2.

(2) Area of ΔABC=98 cm^2.

   and Area of ΔDFG=175 cm^2.

Step-by-step explanation:

<em>" For two similar triangles the ratio of sides is equal to the ratio of square of their areas".</em>

i.e. if a,b are the corresponding sides of two similar triangles and let A and B denote the area of two triangles then we have the relation as:

\dfrac{a^2}{b^2}=\dfrac{A}{B}

(1)

for the first question:

we have a=2, b=5.

A=8 cm^2.

Hence,

\dfrac{2^2}{5^2}=\dfrac{8}{B}\\\\\dfrac{4}{25}=\dfrac{8}{B}

B=50 cm^2.

Hence, the area of second triangle is 50 cm^2.

(2)

In second option we have:

a=6 and b=5.

A-B=77 cm^2.

A=77+B

\dfrac{6^2}{5^2}=\dfrac{A}{B}\\  \\\dfrac{36}{25}=\dfrac{77+B}{B}\\  \\36B=25\times77+25B\\\\36B-25B=25\times77\\\\11B=25\times77\\\\B=25\times7\\\\B=175

Hence area of second triangle i.e. ΔDFG is 175 cm^2.

and area of first triangle i.e. ΔABC=175-77=98 cm^2.




8 0
2 years ago
Distribute 6(c - 3)?
Ilya [14]

Answer: The blue diamond "6c-18"

Step-by-step explanation:

Because the 6 would distribute with the c, so 6c, then it would distribute with the 3, which would be 18, because 6x3=18. Then the equation becomes 6c-18

7 0
2 years ago
What is the answer to the question Mx+2nx=p for x
Anni [7]
Undistribute x
x(m+2n)=p
divide both sides by m+2n
x=\frac{p}{m+2n}
4 0
3 years ago
Read 2 more answers
I need help with this please help me . It’s a math test
JulsSmile [24]

Answer:

Where is the question that you need help with?

Step-by-step explanation:

8 0
3 years ago
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