https://file.aiquickdraw.com/mathbot/file/1729532208946ltg0p34q.jpg

To solve for the missing angle \( a \), we can use the fact that the angles on a straight line add up to 180°. 

In the image:
- One angle is given as 35°, and 
- The other is a right angle, marked as 90°.

Therefore, the sum of the three angles should equal 180°:

\[
a + 90^\circ + 35^\circ = 180^\circ
\]

Now, solving for \( a \):

\[
a = 180^\circ - 90^\circ - 35^\circ
\]

\[
a = 55^\circ
\]

Thus, the missing angle \( a \) is \( 55^\circ \).

Would you like more details on this process, or do you have any further questions?

Here are 5 related questions to explore:
1. What is the sum of angles on a straight line?
2. How are complementary and supplementary angles defined?
3. Can you explain vertical and adjacent angles?
4. What is the difference between acute, obtuse, and right angles?
5. How can you use algebra to solve for unknown angles in a polygon?

**Tip**: Remember that the angles on a straight line always sum up to 180°, which can be a useful property in solving many geometry problems.

Find the measure of the missing angle 'a' in the diagram where one angle is 35° and another is a right angle (90°), with all angles on a straight line.

Learn how to find the missing angle 'a' when given one angle of 35° and another as a right angle on a straight line. This problem involves the use of the supplementary angles theorem, where angles on a straight line sum to 180°. Suitable for Grades 6-8.

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