Answer included, round as you need
Given:


To find:

Solution:


Substitute
.


Subtract 26° from both sides.


Divide by 2 on both sides, we get

Therefore, m∠1 = 35°.
Solution:
<u>We know that:</u>
- The base angles are equivalent.
<u>This means that:</u>
- This triangle is an isosceles triangle.
- The legs of the triangle are equivalent.
<em>Let's use Pythagoras theorem to find z.</em>
<u>Finding z using Pythagoras theorem.</u>
Thus, the value of z is 8.
Answer:
51 is the answer to the question