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Amanda [17]
3 years ago
7

Helppppp pleaseeee xxxx

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0

Answer:

area of sector dfe=(360-110)/360×πr²=250/360×22/7×4²=34.9=35ft²

Semenov [28]3 years ago
8 0
What buddy up top said hope he helped:)
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What is the area of the composite figure? (use 3.14 for pi). Explain how you arrived at your answer. Please round to the nearest
maksim [4K]

The area of the given diagram is 29.817 square centimeters. The given diagram is combination of rectangle and semi circle.

Step-by-step explanation:

The given is,

                 Given diagram is combination of Rectangle and Semi circle.

Step:1

         Res the attachment,

                      Area of given diagram = Area of A + Area of B..............(1)

Step:2

         For A,

         The A section in the given diagram is semi circle,

                     Diameter of semi circle = Total distance - ( 2+3)

                                          ( ∵ 2, 3 are top distance in the given diagram)

                                                             = 10 - 5

                                        Diameter, d = 5 cm

                                             Radius, r = \frac{d}{2}

                                                          r = \frac{5}{2}

                                                         r = 2.5 cm

                                          Area, A_{A}  = \frac {\pi r^{2} }{2}........................(2)

                                                    A_{A}  = \frac {\pi (2.5)^{2} }{2}  

                                                           = \frac {\pi ( 6.25) }{2}

                                                           = \frac{19.63}{2}

                                                     A_{A} = 9.8174 cm^{2}

Step:3

               For B,

               Area of rectangle is,

                                                      A_{B} =lb.....................(3)

              Where, l - Length = 10 cm

                          b - Width = 2 cm

              Equation (3) become,

                                                            = (10)(2)

                                                            = 20

                                    Area of B, A_{B} = 20 cm^{2}

Step:4

               From the equation (1),

                               Area of given diagram = 20+ 9.81747

                                                            Area = 29.817 square centimeters

Result:

            The area of the given diagram is 29.817 square centimeters. The given diagram is combination of rectangle and semi circle.

5 0
3 years ago
True or False: If your expression contains more than one set of parentheses, you should evaluate all of them before doing anythi
irga5000 [103]

Answer:

False

Step-by-step explanation:

Parentheses should be evaluated first according to PEMDAS in every situation.

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

4 0
4 years ago
What is 0.3 of $50.50? Please help
labwork [276]
To get the answer you must multiply $50.50 by 0.3, please see below.

.3($50.50) = $15.15
7 0
3 years ago
Read 2 more answers
What is the width of it
notka56 [123]
The width of the rectangle is 16cm. this is because 16x4 = 64. so the height of the rectangle is 64 cm and 16cmx64cm = 1024cm squared. which is why the width of the rectangle is 16cm.
4 0
3 years ago
96625 to the nearest hundred
brilliants [131]

Answer:

what is your question I don't understand

4 0
4 years ago
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