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Is it 5A you want help with?
5A, 8, and 9
The problem with only saying \(\measuredangle B\) to name the angle is that B is a point and we don't know what angle we mean. Is it the full angle that you get by tracing ABD or is it CBD or ABC?
We don't know which of these we mean, so that's why its a problem.
Are my answers right?
8A you got almost right, but you need to end the segment at the circle itself, like this: |dw:1377555851168:dw|
And for the second it should touch the circle at two places, and go through the center. This sounds like a diameter but that is disallowed, so we must have a "diameter" that is extended to outside the circle like this: |dw:1377555989217:dw|
And for 9 just try to think of things in the real world that look like lines, circles or planes. A clock is a circle, for example. A table is a plane, etc.
The surface of the table is a plane.
On #8 do we need to name points like letters
Nope, they don't say that you have to, but they said that the circle was called P, so the circle should be labelled somewhere.
For the center I labeled it P
That works fine :)
Is that labeling the center
Yes, your other answers look great. It's just 4 that you misunderstood I think. You named the different types of angles, but I think they wanted you to say ways of giving a specific angle a name. To do this one can write for example \(\angle ABC\) or just \(ABC\) if it's clear that we are talking about an angle and not a plane for example. Another way would be to write the name on a figure and then it could be for example \(\theta\) or \(\alpha\), like this: |dw:1377556658209:dw|
@dape How does 4 work?
I explained it in my last post.
Those are acceptable ways, i.e. \(\angle ABC\) or even \(\theta\) if there is a figure.
what's the theta symbol
An angle, look at the picture I posted.
It can be called just about anything if you just mark it in a figure, it's all about knowing what we mean.
so how many examples/way should I put on number 4
Put maybe 2 or 3 examples.
why couldn't I leave my answer the way it is, is it, because it's not asking about the kinds of angles
Yes, exactly, your answer was correct in the kinds of angles but they asked for examples of names of angles.
@dape so are all of my answers correct beside the answers I had to change
Yeah, great job!
@saifoo.khan & @satellite73 Help with number 9. Like how to start it and all
Number 9 of which image?
It's the first link the other 2 are my answers
My answers have been updated
9) Co-linear points can be explained with the example of cars on a single track one-way road. The cars are in a straight path on the same line. A chess game's objects can be used as an examples of coplainer points.
objects like horse, etc.
where did you get Co-linear points from @saifoo.khan
so apply the questions to number 9
Did you read question9 by any chance?
yes I did