Mathematics, 14.04.2021 14:00 ronaldo22
In Figure 4, OAB is a triangle with OA = a and OB = b. D is the midpoint of O4.
(a) Write down, in terms of a or b, or a and b.
(i) OD
(ii) AB
C is the point on AB such that AC:CB - 1:2
(b) Find in terms of a and b. simplifying your answer, an expression for OC.
E is the point on AB such that AE : ED - 2:1
(c) Find in terms of a and b. simplifying your answer, an expression for DE.
F is the intersection of the lines OC and DE.
Given that OFOC
(d) express OF in terms of i, a and b
Given that DF-DE.
(e) express OF in terms of , a and b
() Find the value of w and the value of i.
(2)
(2)
(2)
(1)
(2)
(4)​
Answers: 1
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In Figure 4, OAB is a triangle with OA = a and OB = b. D is the midpoint of O4.
(a) Write down, in...
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