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LUCKY_DIMON [66]
3 years ago
6

Please help me find the area

Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer:

240 square units

Step-by-step explanation:

rectangle= 20x10=200

triangle= 1/2(4)(20)=40

200+40=240

slavikrds [6]3 years ago
4 0

Answer:

240 units squared

Step-by-step explanation:

The square is 20 by 10 so 20x10=200.  To do the area of a triangle you take the length of the bottom of the shape (20) and the height (4) multiply them and then divide by 2. So 20x4=80 divided by 2 = 40. Then you add the two numbers together to get the full area 200+40=240 units squared.

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What is the next term of the geometric sequence?
Alborosie

Answer:

320

Step-by-step explanation:

5, 20, 80,5,20,80,5, comma, 20, comma, 80, comma is not a geometric sequence.

However, if you mean 5, 20, 80 it is a geometric sequence.

It is being multiplyed by 4 each time

so 80*4=320

The next number would be 320.

4 0
3 years ago
. Given that O is the centre of the following circle, find the values of the unknowns.​
alex41 [277]

Given:

Radius of circle is 13 cm

Height of triangle is 5 cm

To find:

Value of 'a' and 'b'

Steps:

To find value of 'a', we will use Pythagoras theorem as the triangle is a right angle triangle,

A² + B² = C²

a^{2} + 5^{2} = 13^{2}

a^{2} + 25 = 169

a^{2} = 169 - 25

a^{2} = 144

\sqrt{a^{2}}=\sqrt{144}

a = 12

Now to find the value of 'b', i will use law of cosine,

c=\sqrt{a^{2}+b^{2}-2ab(cos\beta ) }

12 = \sqrt{13^{2}+5^{2}-2(5)(13)(cos\beta )}\\12=\sqrt{169 + 25-130(cos\beta )}\\12=\sqrt{194-130(cos\beta )}\\144 = 194 - 130(cos\beta )\\50 = 130(cos\beta )\\cos\beta =   0.3846\\\beta  = cos^{-1}(0.3846)\\\beta = 67.38

Therefore, the values of 'a' and 'b' is 12 and 67.38 respectively

Happy to help :)

If u need any help feel free to ask

3 0
3 years ago
Help brainliest for correct answer
Ksju [112]

Answer:

nooooooooo

Step-by-step explanation:

mark me brainlist

5 0
3 years ago
What is this one i cant seem to figure it out
pshichka [43]

Answer:

73

Step-by-step explanation:

Since DA is the diameter, this means that you can divide the circle into two half-circles.  You will solve with the right half-circle.  A half-circle has a 180 total degrees.  Add up the values given and solve for x.

(2x) + (7x - 4) + (85) = 180

2x + 7x - 4 + 85 = 180

9x - 4 + 85 = 180

9x + 81 = 180

9x = 99

x = 11

Now that you have the value of x, solve for m∠CZB.

m∠CZB = 7x - 4

m∠CZB = 7(11) - 4

m∠CZB = 77 - 4

m∠CZB = 73

6 0
3 years ago
Cómo resolver sopa de números encontrando resultados de divisiones por ejemplo 436/2​
Rzqust [24]

Answer:

Lo resuelves como de costumbre :)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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