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secondary 4 | E Maths
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Part(a) only
Date Posted: 7 years ago
Views: 226
Line DC =AD=8cm
Triangle ODC is an isosceles
Does that help?
Triangle ODC is an isosceles
Does that help?
It seems like 90° because D is the mid point for OA. 90° in rad is 1.57 rad.
I don't think it's 90 Deg. Though it may be the mid point, we don't know where the other point lies, so we can't safely assume the right angle. The answer I got. 1.94 rad
You are right. I have just realized that the arc AC part of circle with center D.
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done
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DC also 8 cm ..
that make an isosceles triangle ..
Understand that isosceles have same legs and angles , so =""> Change rad to degree(°) for you to easier find the angle =""> Then you can find <="" div="">
that make an isosceles triangle ..
Understand that isosceles have same legs and angles , so =""> Change rad to degree(°) for you to easier find the angle =""> Then you can find <="" div="">
Date Posted:
7 years ago
Thank you!!
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