Answer:
-45
Step-by-step explanation:
So 33 rounds to 30, because 3 is less than 5. 89 rounds to 90, because 9 is greater that 5.
then do this:
30
+90
____
120
120 is your answer! I hope I helped you!
The measures of angles determined using the angle addition postulate and the angle bisector theorem are:
<h2>1.
</h2><h2>2.
</h2><h2>3.
</h2><h2>4.
</h2><h2>5.
</h2><h2>6.
</h2><h2>7.
</h2><h2>8.
</h2>
<em>1. Find </em>
(<em>angle addition postulate</em>)
Substitute
2. <em>Find </em>
(angle addition postulate)
Substitute
<em>3. Find </em>
(<em>angle addition postulate)</em>
Substitute
Subtract 46 from both sides
<em>4. Find </em>
<em> (angle addition postulate)</em>
Substitute
Subtract 140 from both sides
<em>5. Find x</em>
<em> (Angle addition postulate)</em>
Substitute
Add like terms and solve for x
<em>6. Find x</em>
<em> (Angle addition postulate)</em>
Substitute
Add like terms and solve for x
<em>7. Find </em>
- First, create an equation to find the value of x.
(angle addition postulate)
Add like terms and solve for x
Plug in the value of x
<em>8. Find </em>
- First, create an equation to find the value of x.
(angle addition postulate)
Add like terms and solve for x
Plug in the value of x
<em><u>The answers are:</u></em>
1.
2.
3.
4.
5.
6.
7.
8.
Learn more here:
brainly.com/question/24529637
6 + 8 + 12 = 26 Faces
Edges = Vertices + Faces -2
Edges = 48 + 26 -2
Edges = 72