Question

EXPLAIN HOW YOU GOT 3 AND 4 WITH STEPS PLS ITS URGENT

Answer 1

3. x = 5 4. x = 26

Explanation:

3.

(2x + 5) + 8x + 25 = 180

10x +30 = 180

10x = 150

x = 15

4.

52 + 90 + x+12 = 180

52 + 90 + 12 = 142

x + 142 = 180

x = 180 - 154

x = 26

Answer 2

2. x=25°

3. x=15°

4. x=26°

Explanation:

For problem 2, we know the sum of the angles of a triangle is 180°. Also, supplementary angles are 180°.

30+20+x=180 [combine like terms]

50+x=180 [subtract both sides by 50]

x=130

Now that we have the missing angle, we can use that to solve for x.

2x+130=180 [subtract both sides by 130]

2x=50 [divide both sides by 2]

x=25°

Now, we know that x=25°.

For problem 3, we know the sum of the angles of a triangle is 180°. This means, we add all the angles together and get 180°.

8x+25+2x+5=180 [combine like terms]

10x+30=180 [subtract both sides by 30]

10x=150 [divide both sides by 10]

x=15°

Now, we know that x=15°.

For problem 4, we know the sum of the angles of a triangle is 180°. This means, we add all the angles together and get 180°.

x+12+52+90=180 [combine like terms]

x+154=180 [subtract both sides by 154]

x=26°

Now, we know that x=26°.