Answer:
1)107
2)43
Step-by-step explanation:
Triangles interior angles add up to 180 degrees. In the first one, the first two angles are 31and 42, and if interior angles add up to 180, the equation should be 31+42+x=180 x=107.
Second one is hardes. A square means a right angle, or 90 degrees. 180-90 is 90. Next, we have the two angles x, and x+4 We know that triangles interior angles add up to 180 degrees, so x+x+4+90=180 2x+94=180 2x=86 x=43
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Answer:
D I believe
multiply 3 to the 2x then multiply 3 to the 4 and keep the sign
Answer:
7.0909090909 hope this helps!!
The length of the ladder nearest hundredth of a foot is 23 feet.
We have given that,
An electrician leans an extension ladder against the outside wall of a house so that it reaches an electric box 20 feet up.
The ladder makes an angle of 
the ground.
<h3>
What is the sin ratio?</h3>
Therefore we get,
Therefore, The length of the ladder nearest hundredth of a foot is 23 feet.
To learn more about the trigonometric ratio visit:
brainly.com/question/24349828
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