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Bezzdna [24]
3 years ago
13

Opposite angles in a parallelogram are _____. A. acute B. supplementary C. parallel D. convex E. congruent

Mathematics
2 answers:
maria [59]3 years ago
7 0
Choice E. The answer is congruent.
Ilia_Sergeevich [38]3 years ago
6 0
E. or C. i think im not 100% sure im sorry if im wrong
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How many unique planes can be determined by four noncoplanar points?
marta [7]

Answer:

Four unique planes

Step-by-step explanation:

Given that the points are non co-planar, triangular planes can be formed by the joining of three points

The points will therefore appear to be at the corners of a triangular pyramid or tetrahedron such that together the four points will form a three dimensional figure bounded by triangular planes

The number of triangular planes that can therefore be formed is given by the combination of four objects taking three at a time as follows;

₄C₃ = 4!/(3!×(4-3)! = 4

Which gives four possible unique planes.

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3 years ago
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6 0
2 years ago
1/3(3x - 12) = x - 4
PIT_PIT [208]

Step-by-step explanation:

the formula is too long so the link is below:

https://www.geteasysoloution.com/1/3x+12=x-4

3 0
3 years ago
Math question down below
marusya05 [52]
18/27 can be reduced to 2/3 so the second option should be the correct answer
5 0
3 years ago
Read 2 more answers
A cone has a diamete of 3 inches the cone hold 12 cubic inches of water to the nearet inch what is the height of the cone
Andre45 [30]

Volume for a cone is 1/3 pi * r^2*h, where r is radius and h is height. We have diameter = 1/2 radius. Thus, radius = 1.5in. We also have volume is 12 in. Using formula for volume of a cone and plugging in what we know, we have 12 = 1/3*pi*(1.5)^2*h, were solving for h. To get, h= (12*3)/(pi*(1.5)^2), which is approximately 5.0931in, 5 inches




8 0
3 years ago
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