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irga5000 [103]
3 years ago
5

What number is 50%of 30

Mathematics
2 answers:
jonny [76]3 years ago
8 0
50% of 30 is 15. 50% of anything is its half


Sophie [7]3 years ago
4 0
It would be 15. 50% is the same as half. So half of 30 is 15.
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Nothing else is given, so for the two triangles to be congruent, the only possible proof is the ASA theorem.
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3 years ago
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3 years ago
A central angle of a circle measures 1.5 radians. If the radius of the circle is 3 cm, what is the area of the related sector?
soldi70 [24.7K]

Answer:

Option B. 6.75\ cm^{2}

Step-by-step explanation:

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=3\ cm

substitute

A=\pi (3^{2})=9 \pi\ cm^{2}

Remember that

2\pi radians subtends the complete circle of area 9 \pi\ cm^{2}

so

by proportion

Find the area of the related sector for a central angle of 1.5 radians

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7 0
3 years ago
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