Verified Answer :

z=48 because it is a triangle so it will equal 180. You have 42 and 90 so far and you need a total of 180 so do the math

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Answer:

The measure of angle z is equal to \(z=48\°\)

Step-by-step explanation:

we know that

In the right triangle of the figure

\(z+42\°=90\°\) -----> by complementary angles

so

solve for z

\(z=90\°-42\°=48\°\)

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