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hodyreva [135]
3 years ago
11

Plz help I dont understand this at all

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
7 0

5.) We know that all of the angles in a triangle add up to 180 degrees. To solve:

65+35=100

180-100=80

m∠w = 80°

6.) x° and 70° should equal 180°. Let's set up an equation:

x+70=180

m∠x=110°

7.) We know that due to the vertical angles theorem, 60° will be congruent to 60° where they intersect. Since we now know two angles inside the bottom triangle, we can set up an equation to solve for k.

60+60+k=180

120+k=180

k=60

m∠k = 60°

8.) Finally, we know that angles next to each other when they are perpendicular = 180°. Since we know that proof, we can set up an equation to solve for p.

90+p=180

p=90

m∠p = 90°

ANEK [815]3 years ago
3 0
1) the sum of all three angles in a triangle is always 180, so number 5 is w=80

2)I assume they mean x. since the x angle and the 70 angle are a linear pair they must add to 180, so x has to be 110

3) the top 60 angle makes a vertical angles with the angle right below it. since vertical angles are congruent, the angle below has to be 60 also. again all 3 must add to 180 so o is also 60

4) these are all linear pairs. every angle shown has to be 90
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