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murzikaleks [220]
3 years ago
13

Two angels of triangle measure 12 and 40 what is the measure of the third angle of the triangle

Mathematics
2 answers:
Ghella [55]3 years ago
8 0

48

Step-by-step explanation:

it would be 48 if thats on for options because you multiple 12x40

yawa3891 [41]3 years ago
7 0

Answer:

128

Step-by-step explanation:

all angles of a triangle will always equal 180

so, we know 2 angles

180-40

140-1128

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dlinn [17]

Answer:

None of the expressions is equal to 0.7 x 0.41.

Step-by-step explanation:

Given that 0.7 x 0.41 is equal to 0.287, to determine which options are equal to said operation, the calculations set out for each of them must be performed:

A. 7,100 × 41100 = 291,810,000

B. 710 × 41100 = 29,181,000

C. 7100 × 4110 = 29,181,000

D. 710 × 4110 = 2,918,100

E. 70100 × 41100 = 2,918,100,000

Therefore, looking at all the results produced by the predisposed calculations, it is evident that none of the expressions is equal to 0.7 x 0.41.

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Ivenika [448]
<h3>The area of semicircle is 4.5 \pi\ cm^2</h3>

<em><u>Solution:</u></em>

Given that,

We have to find the area of a semi circle with a radius of 3 cm

<em><u>The area of semicircle is given as:</u></em>

Area\ of\ semicircle = \frac{ \pi r^2}{2}

Where, r is the radius

From given,

r = 3 cm

<em><u>Substituting the values we get,</u></em>

Area\ of\ semicircle = \frac{ \pi \times 3^2}{2}\\\\Area\ of\ semicircle = \frac{ \pi \times 9}{2}\\\\Area\ of\ semicircle = 4.5 \pi

Thus the area of semicircle is 4.5 \pi\ cm^2

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4 years ago
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pantera1 [17]

Answer:

Step-by-step explanation:

x+3 1/2=9

x=9-7/2

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x=5 1/2

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