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Blizzard [7]
3 years ago
13

I need help on this one its hard for me :(

Mathematics
2 answers:
cupoosta [38]3 years ago
8 0

Answer:

The answer for it is B. 6.

Zinaida [17]3 years ago
4 0

Answer:

6

Step-by-step explanation:

diameter is double the length of the radius.

d= 2r

d=2(3)

d=6

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Are of quadrilateral
koban [17]

Answer:

Area of Quadrilateral = 289.57 sq.cm

Step-by-step explanation:

First of all, let us understand what is a Quadrilateral?

A quadrilateral is a polygon with four sides. A quadrilateral is a closed two-dimensional figure formed by joining the four points among which three points are non-collinear points.

Given,

Length of sides :

AB = 7.5 cm

BC = 11.7 cm

CD = 15.6 cm

AD = 18 cm

and given , the Angle between BCD is 90 degrees and the angle between BAD is 90 degrees.

It implies that the TRAINGLES BCD and BAD are Right angled triangles

So, the length of BD can be found using Pythagorean theorem

Pythagorean theorem, the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse (the side opposite the right angle)—or, in familiar algebraic notation, a2 + b2 = c2.

From the Triangle of BCD,

a= BC

b=CD and

c= BD

Therefore, The length of BD =

c=\sqrt[2]{(11.7^{2})+(15.6 x^{2}) }

c = \sqrt{380.25}

c = 19.5 cm

Hence, c= BD=19.5 cm

Now, Area of Quadrilateral =

1/2*(diagonal)*(sum of height of two triangles)

Here, Diagonal = Length of BD = 19.5 cm

Height (h1) = BC = 11.7 cm

Height ( h2) = AD = 18 cm

Therefore, Area = 1/2*19.5*(11.7+18)

                           = 289.57 sq.cm

Refer more about Area at below link:

https://brainly.in/question/2466686

#SPJ10

5 0
2 years ago
Leah puts together gift bags of toys to sell at the flee market. She places exactly 6 toys in each bag. She only sells full bags
3241004551 [841]

Answer:

320 toy cars and 25 toy trucks

Step-by-step explanation:

4 0
3 years ago
The perimeter of an equilateral triangle is 6x - 24. Which expression represents the length of one side?
PIT_PIT [208]

Answer:

side = 2x - 8

Step-by-step explanation:

An equilateral triangle has 3 equal sides.

The perimeter is 3 times one side

In this case P = 6x - 24

Side = p/3 = (6x - 24)/3

Side = 2x - 8

3 0
3 years ago
What is 2 divided by 9.40
IRINA_888 [86]

Answer:0.212765957

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Write the expression in complete factored form.<br> (X + 8) - 9(X + 8) =
Irina-Kira [14]

Answer:

7

Step-by-step explanation:

Do the brackets first

X+8= 8x

X+8= 8x

then you plus 8x + 8x =16x

16x -9 =7x

4 0
2 years ago
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