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1 answer:
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Answer:
The answer is below
Step-by-step explanation:
Transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, reflection, translation and dilation.
Reflection is the flipping of a point about an axis. If a figure with point A(x, y) is reflected about the y axis, the new point is A'(-x, y)
The quadrilateral KLMN has vertices at K(-2, 6), L(-3, 8), M(-4, 4) and N(-3, 2). If the quadrilateral is reflected about the y axis, the new point is at:
K(2, 6), L(3, 8), M(4, 4) and N(3, 2)
The figure was plotted using geogebra online graphing tool.
Answer:
∠ABC= 180° -21° -37° (∠ sum of triangle ABC)
∠ABC= 122°
Using sine rule,
AB= 200(sin21°)/sin 122°
AB= 84.5 units (3 s.f.)
BC= 200(sin37°)/ sin122°
BC= 142 units (3 s.f.)