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Xelga [282]
3 years ago
8

What the answer to the question

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0

Answer:

c

Step-by-step explanation:

When we know two sides and the included angle, there is a formula we can use.

We know angle C = 35º, and sides a = 20cm and b = 19.5cm.

using the formula

Area =(½)ab sin C(angle)

Put in the values we know:

(20×19.5÷2)×sin(35)=

111.8474050885 cm^2

rounded = 111.85 cm^2

answer is c

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A clock face has a diameter of 10 inches. What is the area of the clock face?
sleet_krkn [62]

Answer:

A = 78.5 in ^2

Step-by-step explanation:

Area of a circle = pi * r^2

The radius is d/2

r= 10/2

r =5

A = pi * r^2

Substitute r=5

A = pi *(5)^2

A = 25 pi

We know that pi is approximated by 3.14

A = 25 (3.14)

A = 78.5 in ^2

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3 years ago
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Firlakuza [10]

Answer:

Its B

Step-by-step explanation:

If you look at how the chart is flowing, the y values are 2 times the x value.

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NeX [460]

Answer:

o I = 4 cm, w = 9 cm, h = 3 cm  

Step-by-step explanation:

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w = 6 cm, I = 4,cm, h = 4 cm    V= 6*4*4 = 96

o w = 7 cm, h = 3 cm, I = 5 cm   V = 7*3*5 =105

o I = 4 cm, w = 9 cm, h = 3 cm   V = 4*9*3 =108

o h = 5 cm, w = 6 cm, I = 3 cm  V = 5*6*3 =90

The largest volume is

o I = 4 cm, w = 9 cm, h = 3 cm   V = 4*9*3 =108

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