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primary 5 | Maths | Angles & Geometry
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Lead whye chan
Lead Whye Chan

primary 5 chevron_right Maths chevron_right Angles & Geometry

How come a+b+20=c+d+20=180?

Date Posted: 6 years ago
Views: 604
Li JinQuan
Li JinQuan
6 years ago
Hi, can you where do you get a+b+20=180? From the 1st glance i highly doubt that this is correct.
Lead whye chan
Lead Whye Chan
6 years ago
The answer key states so. I see it as a+b+c+d is 160. Do u?
Li JinQuan
Li JinQuan
6 years ago
Yes, i believe that is correct.
J
J
6 years ago
The answer key is wrong.

It should be a + b + c + d + 20 = 180°

a + b + c + d = 160°

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Jing Yee
Jing Yee's answer
19 answers (A Helpful Person)
1st
Is his the answer you've been looking for?
Lead whye chan
Lead Whye Chan
6 years ago
Why is angle SQY 40 degree?
Jing Yee
Jing Yee
6 years ago
RQP=2RVP
RQP=SQY
Lead whye chan
Lead Whye Chan
6 years ago
Which angle property states so? For rqp to be 2rvp
Jing Yee
Jing Yee
6 years ago
Oh ya..so sorry that is for circle..then the answer is wrong
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Phylicia Tong
Phylicia Tong's answer
192 answers (A Helpful Person)
Just spotted your question. Hope this helps. Sorry about e bad drawing.