Answer:
a.
b.

Step-by-step explanation:
a. We know that angles in a triangle add up to 180°.
-The right angle triangle in the right triangle has a measure of 90°.
We can therefore equate our angles to 180° and solve for x;

Hence, the angle measure is x=10°
b. Having calculated the value of x from a above as x=10°, we can substitute to find the measures of the two acute angles:

Since, the m∠K is a right angle, it measures 90°
Answer:
y approaches negative infinty
Answer:
The angles that are congruent due to being vertical angles are:
m∠2 and m∠4
m∠1 and m∠3
m∠8 and m∠6
m∠5 and m∠7
Answer: 5z
Step-by-step explanation:
1+4 * z= 5z