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zimovet [89]
2 years ago
14

What is the area of this composite figure?

Mathematics
1 answer:
VLD [36.1K]2 years ago
6 0

Answer:

36.56

Step-by-step explanation:

the area of a circle is r^2×pi (here 2^2×pi) then add the area of the middle rectangle (so 4×6)

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How do I solve <br> tan x= 3/5
Illusion [34]

Answer:

30.96375653

Step-by-step explanation:

if using a calculator, type in;

shift tan (3/5)

so basically shift tan (0.6)

bracket is important

if writing;

tan^-1 (0.6) = 30.96375653

4 0
3 years ago
HELPPPPPPP PLEASE !!!!!
Igoryamba

Answer:

(-1,5)

Step-by-step explanation:

Take the Distance between B and M which is 2 up and 2 across. with that and following the information where M is a midpoint follow the patter of 2 up and 2 across to get A

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7Br%7D%7B2%7D%2B%5Cfrac%7Bs%7D%7Br%7D%20-%5Cfrac%7Br%7D%7B4%7D%2B%5Cfrac%7B1%7D%7B5%7D
zloy xaker [14]

Answer:

-1/20

Step-by-step explanation:

r/2 + s/r - r/4 + 1/5 =

= -1/2 + 0/(-1) - (-1)/4 + 1/5

= -1/2 + 1/4 + 1/5

= -10/20 + 5/20 + 4/20

= -5/20 + 4/20

= -1/20

3 0
3 years ago
The lengths of two sides of a right angled triangle are 20 cm and 30 cm.
Naddik [55]

Answers:

  • Part (a)   10*sqrt(13)
  • Part (b)   10*sqrt(5)

Those values are exact. They approximate to:

10*sqrt(13) = 36.0555

10*sqrt(5) = 22.3607

====================================================

Explanation:

Part (a)

If the unknown third side is the hypotenuse then we need to find the value of c when a = 20 and b = 30.

Apply the pythagorean theorem

a^2 + b^2 = c^2

20^2 + 30^2 = c^2

400 + 900 = c^2

1300 = c^2

c^2 = 1300

c = sqrt(1300)

c = sqrt(100*13)

c = sqrt(100)*sqrt(13)

c = 10*sqrt(13)  .... exact length

c = 36.0555 ...... approximate length

------------------------------------

Part (b)

If the third side is not the hypotenuse then that must mean c = 30 is the hypotenuse as this side is larger than the 20 cm side. The hypotenuse is always the longest side.

Let a = 20 be the known leg. Let's find the other unknown leg b using the pythagorean theorem.

a^2 + b^2 = c^2

20^2 + b^2 = 30^2

400 + b^2 = 900

b^2 = 900-400

b^2 = 500

b = sqrt(500)

b = sqrt(100*5)

b = sqrt(100)*sqrt(5)

b = 10*sqrt(5) ..... exact length

b = 22.3607 .......  approximate length

3 0
3 years ago
Help me please . Much appreciated
navik [9.2K]
Hi it will either be option 3
7 0
3 years ago
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