3 years ago

What’s the correct answer for this?

Mathematics

1 answer:

Elina [12.6K]3 years ago

8 0

Answer:

Step-by-step explanation:

Measure of Arc FED = 51+79

= 130°

Since the measures of arcs and angles are the same

Hence

<FED = 130°

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Tennis balls are sold in cylinders. Each cylinder has a height of about 22cm and a diameter of about 7cm. Estimate the volume of

stich3 [128]

Answer:

Step-by-step explanation:

Formula

V = pi * r^2 * h

Givens

h = 22 cm

r = d/2 = 7/2

r = 3.5

pi = 3.14

Solution

V = 3.14 * 3.5^2 * 22

V = 846.23 cm^3

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2 years ago

The lengths of the bases of the right trapezoid are 9 cm and 18 cm. The length of a longer leg is 15 cm. Find the area of the tr

finlep [7]

Firstly, we will draw figure

now, we will draw a altitude from B to DC that divides trapezium into rectangle and right triangle

because of opposite sides of rectangle ABMD are congruent

so,

DM=AB=9

CM=CD-DM

CM=18-9

CM=9

now, we can find BM by using Pythagoras theorem

$BM=\sqrt{BC^2-CM^2}$

now, we can plug values

we get

$BM=\sqrt{15^2-9^2}$

$BM=12$

now, we can find area of trapezium

$A=\frac{1}{2} (AB+CD)*(BM)$

now, we can plug values

and we get

$A=\frac{1}{2} (9+18)*(12)$

$A=162cm^2$

so, area of of the trapezoid is $162cm^2$ ..........Answer

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3 years ago

Jason paints 1/4 of the area of his living room walls,w,on Monday. On Tuesday, he paints twice as much as he painted on Monday.

zepelin [54]

1 - (1/4 + 2*1/4)
1 - 3/4
1/4 of the living room still remains unpainted.

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3 years ago

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What goes in the green box and what is 6 * 28

Y_Kistochka [10]

6*28= 168
You put 168 in the green box

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3 years ago

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sergij07 [2.7K]

Answer:Okay I'm really confused

Step-by-step explanation:

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3 years ago