Euclidean Geometry Grade 11: Exam question
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- เผยแพร่เมื่อ 5 ต.ค. 2024
- Exam question for grade 11 Euclidean Geometry.
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Another method to solve the cyclic quad is
C³=A =x (tan chord thrm)
T³=C³ =x (converse Ls in same seg)
thefore TEBC is cyclic quad
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Mr.kevin..for 11.4..what If I reason *converse of angles opposite =sides* instead of sides opposite =angles
i believe my math teacher told my class that that isn't a mathematically valid reason
@@enderpapikei127 thanks
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Thank you so much Kevin
Thanks man ❤this really helped me
Sir isn't E²=C³=x( corresponding Ls)
E²=C² (converse Ls on same seg)
E²=B² =x (tan chord thrm)
therefore C²=B²=x
therefore TC=TB (sides opp = Ls)
E2 and C3 aren't corresponding... I think...I can't see letter F
Hi Keven what if I used the angle at center =2× angle at circum by proving BŤC =2A
You can't use that one
that's what I was also thinking @kevinmathscience what do you think?
17:49 isn't angle C¹ equal to T² (Alt angles)
Then making Triangle TAC isosceles? Meaning TA=TC=TB
Making it a circle.
No..I don't think so cause for triangle TAC to be isosceles...angle *A and C1* have to be equal or *T1 and A*
@@lizzolisa9068 since angle T2 is equal to T3
C1 is equal to A. Remember we've been marking since the beginning
Hi Kevin how many theorems exactly in Euclidean Geometry Grade 11?
7
@@nikitaabrahams1559 Ohh alright yabulela kakhulu..Can you listen them for me?Only if you're not busy xollo kakhul ingxak I have a little confusion
Its 9 theorems
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11.2 u find quick
My self what I did
I said let b1=x
C3=b1=x via opposite angle =side
In triangle BCE
E=180-(2x) sum angles of triangle
After I used opposite angle of cyclic quad
T +E =180
T=180-E
180-(180-2x)
T=2x
T3+T2=2x
T2=2x-T3
2x-x
T2=x
Therefore I said T2=b1=x
TBEC IS CYCLIC QUAD
BECAUSE CONVERSE OF ANGLE IN SAME SEGMENT
SIR HELP ME I M RIGHT OR NOT
C3 = T3 = B1 (angles opposite equal sides)
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