16
17
34
90
Correct answer is B
\(8^2 + (x - 2)^2 = x^2\\
64 + x^2 - 4x + 4 = x^{2}\\
x^2 - 4x + 68 = x^2\\
-4x = -68\\
-x = \frac{-68}{4} = 17\)
15
30
45
75
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements is true from the diagram above?
m + n = 90o
m = n
n > 45o
m < 45o
Correct answer is A
No explanation has been provided for this answer.
Describe the locus L shown in the diagram below
Locus of points equidistant from X and Y
Locus of points equidistant from X and Z
Locus of points equidistant from \(\bar{ZX}\) and \(\bar{ZY}\)
Locus of points equidistant from \(\bar{XY}\) and \(\bar{ZY}\)
Correct answer is C
No explanation has been provided for this answer.
In the diagram, DE||BC, |AD| = x cm and |DB| = |AE| = ycm. Find |CE| in terms of x and y
x
\(\frac{x^2}{y}\)
\(\frac{y}{x^2}\)
\(\frac{y^2}{x}\)
Correct answer is D
\(\frac{x}{x+y}=\frac{y}{x+CE}\\
xy + xCE = xy + y^2\\
∴xCE = y^2\\
CE=\frac{y^2}{x}\)
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