Since those lines are parallel, those two angles are equal. Therefore:
3x+15=105
3x=90
x=30
Answer:
Part 1: 30.42
Part 2: 33.598 (33.6)
Step-by-step explanation:
Part 1:
First you're going to start by subtracting 142 from 360 to get 218
Then you're going to divide 218 by 360 to get a rounded .61
Then you're going to multiply that by pi (3.14)
.61 x 3.14 = 1.9
Then you're going to square 4
4 x 4 = 16
Then multiply 1.9 x 16
Your answer should be 30.42
<u>Part 2: </u>
<u>Since it gives you the measurment you need, you're going to skip the subtracting and just divide 107 by 360</u>
<u>This gives you .3 (rounded)</u>
<u>Multiply by pi</u>
<u>.3 x 3.14 = .94</u>
<u>multiply by square of 6 (36)</u>
<u>.94 x 36 = 33.84</u>
<u>if you shove it all into a calculator without rounding inbetween at all you get 33.59</u>
Well a cellphone tower has angles and it has a distance so it is possible to use trigonometry to determine its height. tools to be used are maybe a calculator, measuring tape, paper, and a pencil or pen<span />
<em>Answer:</em>
<em>I would say he makes 10.5%</em>
<em>Step-by-step explanation:</em>
<em />
<em>Let the price at which the shopkeeper bought the article be 100.
</em>
<em>Since he has to make a profit of 30%, he would mark the price as 130.
</em>
<em>Now, he allows a discount of 15% i.e. 15% of 130 = 19.5
</em>
<em>The actual discounted price= 130–19.5= 110.5
</em>
<em>
</em>
<u><em>He gets 10.5 on 100. The profit percent he makes is 10.5%</em></u>
