What’s the answer ? ?

Mathematics

1 answer:

fiasKO [112]3 years ago

3 0

Because this triangle is an isosceles, we know that angle M and angle L are equal (as shown by the diagram)

So, we make the two values equal

5y-19=56

Take 19 to the other side as a positive

5y=75

y is equal to 15

But, we aren't done yet as the question asks us to find the value of k

So, we do

5*15-19+56+K=180

112+K=180

Take 112 to the other side as a negative number

180-112 is 68

So, angle K is equal to 68 degrees

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D. Rotation 90° CCW does the transformation (x, y) ⇒ (-y, x)

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In the attached graphs, we have identified a point that is a corresponding point on each figure. This is so you can see how the various transformations move it and the rest of the figure in relation to it. 90° arcs are shown so you can see the rotations more easily.

The figures are labeled and color coded in accordance with the problem statement.