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Eva8 [605]
3 years ago
8

How to to determine if two polygons have the same side and shape

Mathematics
1 answer:
sveta [45]3 years ago
3 0
Recall that two shapes are congruent if they have the same shape and size. When two shapes have the same shape but different sizes, we call the shapes similar. You can also think of similar objects or shapes as scaled versions of each other.
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Nine hundred and fifty seven divided by one hundred
Kryger [21]

Answer:

9.57

Step-by-step explanation:

900 / 100 is 9 but then you just have to add the 57 with a decimal at the end

5 0
3 years ago
All I need is the equation plz and thank you​
Vanyuwa [196]

Answer:

Number of photos = 3 * minutes

Step-by-step explanation:

7 0
3 years ago
Work out the volume of the solid shape<br><br> Give your answers in terms of pi please
kirill [66]

*The complete question is in the picture attached below.

Answer:

756πcm³

Step-by-step Explanation:

The volume of the solid shape = volume of cone + volume of the hemisphere.

==> 270πcm³ + ½(4/3*π*r³)

To calculate the volume of the hemisphere, we need to get the radius of the hemisphere = the radius of the cone.

Since volume of cone = 270πcm³, we can find r using the formula for the volume of cone.

==> Volume of cone = ⅓πr²h

⅓*π*r²*10 = 270π

⅓*10*r²(π) = 270 (π)

10/3 * r² = 270

r² = 270 * ³/10

r² = 81

r = √81

r = 9 cm

Thus, volume of hemisphere = ½(4/3*π*r³)

==> Volume of hemisphere = ½(⁴/3 * π * 9³)

= ½(972π)

Volume of hemisphere = 486πcm³

Volume of the solid shape

= volume of cone + volume of the hemisphere.

==> 270πcm³ + 486πcm³

= 756πcm³

3 0
3 years ago
The measures of two complementary angles are in the ratio 8:1. how many degrees are in the larger angle?
djverab [1.8K]
Since the measures of the two angles are in the ratio 8:1, this means the bigger angle's is 8x and the smaller angle is x. Since they are complementary, they add to 90°, so you create the equation 8x+x=90°. This can be simplified to 9x=90°. Then, you divide 90 by 9 to get 10. This means x=10. Next, you replace x with 10 to find the measure of the bigger angle. 8x10=80, so the larger angle is 80°.
4 0
3 years ago
Each boy in a class has 7 pockets and each girl in that class has 11 pockets. How many boys and how many girls are there in this
amm1812
7 girls, because 11(7)+7(10)+147
5 0
3 years ago
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