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kirza4 [7]
3 years ago
6

. CDEF is a trapezium

Mathematics
1 answer:
guajiro [1.7K]3 years ago
3 0

9514 1404 393

Answer:

  24 cm²

Step-by-step explanation:

To find the area of the trapezium, we must know the length CD. That means we must know the length BC. Fortunately, the perimeter of ABCF is given, so we have ...

  P = 2(AB +BC)

  BC = (P/2) -AB = (20 cm)/2 - 6 cm = 4 cm

Then CD is ...

  CD = BD -BC = 9 cm -4 cm = 5 cm

The area of the trapezium is given by the formula ...

  A = (1/2)(b1 +b2)h

  A = (1/2)(5 cm + 3 cm)(6 cm) = 24 cm²

The area of trapezium CDEF is 24 cm².

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Y=<br> Pls help solve for
miss Akunina [59]

Answer:

y=39\degree

Step-by-step explanation:

The given triangle is a right angle triangle .

The known sides of the triangle that is opposite to angle y is 8 units while the side adjacent is 10 units.

The value of y can be calculated using the tangent ratio.


\tan(y)=\frac{8}{10}

We solve for y to get,

y=arctan(\frac{4}{5})

We evaluate to obtain,

y=38.66


y=39\degree to the nearest degree


8 0
3 years ago
Which of the following shows the Distributive Property of Multiplication of 4 x 24?
Nana76 [90]
The answer is (4x20) + (4x4) which equals 96
5 0
2 years ago
What is the expression to find the distance between the points A and T
navik [9.2K]

Answer:

<h2>9</h2>

Step-by-step explanation:

The <u>square root </u>of

d=(x2​−x1​)^2+(y2​−y1​)^2​

A=(2,5) coordinates 1

T=(5,5) coordinates 2

So we put (5-2)^2 plus (5-5)^2

(3)^2+(0)^2

9+0

9

<h3><u>Brainliest please!</u></h3>
6 0
4 years ago
What is 10 times something equal 24
Diano4ka-milaya [45]

Answer:

2.4

Step-by-step explanation:

An easy way to find this is via division.

24 ÷ 10 = 2.4 | therefore,

2.4 × 10 = 24

6 0
3 years ago
Read 2 more answers
Given that ABCD is a rhombus, what is the value of x?
stealth61 [152]

Answer:

Diagonals of a rhombus intersect at right angles

Therefore, \angle AOD=90

Now,in\: \bigtriangleup AOD

\angle OAD+\angle AOD+\angle ADO=180

x+90+3x+12=180 \leftarrow [combing \: like\: terms]

4x+102=180\\-102   \: -102 \leftarrow [subtracting \:102 ]

\frac{4x}{4} =\frac{78}{4} \leftarrow [dividing \: by\: 4]

x=19.5 \Longleftarrow

<u>OAmalOHopeO</u>

<u />

4 0
3 years ago
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