3 years ago

Need help on geometry

Mathematics

2 answers:

Airida [17]3 years ago

7 0

Answer:

Step-by-step explanation:

1. Vertical

2. Sup

3. Adj angles

4.sup

5. Vertical

6. No relationship

lawyer [7]3 years ago

3 0

1. Vertical
2. Sup
3. Adj angles
4.sup
5. Vertical
6. No relationship

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A. 86 B. 111 C. 69 D. 71

dangina [55]

All the angles of a triangle add up to 180 degrees.

30+39+<4= 180

69+<4= 180

Subtract 69 on both sides.

<4= 111 degrees

<1 and <4 are supplementary and adjacent. They equal 180 degrees as well.

111+<1= 180

<1= 69 degrees

I hope this helps!
~kaikers

8 0

3 years ago

Read 2 more answers

Solve the soultion .explian please x(2x- 5)=0

AysviL [449]

$x(2x-5)=0\iff x=0\ \vee\ 2x-5=0\\\\x=0\ \vee\ 2x=5\\\\x=0\ \vee\ x=\frac{5}{2}\\\\x=0\ \vv\ x=2.5$