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2 years ago

The horizontal viewing angle is the angle subtended by a straight line from

Mathematics

1 answer:

SSSSS [86.1K]2 years ago

7 0

The measure of the arc is given as π/2. See the explanation below.

An "arc" is a curve that connects two points in mathematics.

It can also be depicted as a section of a circle. It is essentially a portion of a circle's circumference. An arc is a kind of curve.

<h3>What is the calculation for the above solution?</h3>

Note that the viewing angle is 45°.

Thus, the center angle is:
45 X 2 = 90°

Measure of the arc therefore is:
= (π/180°) x 90

= π/2

Learn more about arcs at:
brainly.com/question/2005046
#SPJ1

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Find the area of the triangles round to the tenth. Show steps please!

amm1812

Answer:

$\large\boxed{A=89.6}$

Step-by-step explanation:

It's the right triangle. The formula of an area of a right triangle:

$A=\dfrac{leg\cdit leg}{2}$

We have:

$leg=x\\leg=16\\\text{and the angle}\ \alpha=55^o$

Use tangent:

$tangent=\dfrac{opposite}{adjacent}$

$opposite=16,\ adjacent=x$

$\tan55^o\approx1.4281$

Substitute:

$\dfrac{16}{x}=1.4281$ <em>convert the decimal to the fraction</em>

$\dfrac{16}{x}=\dfrac{14281}{10000}$ <em>cross multiply</em>

$14281x=160000$ <em>divide both sides by 14281</em>

$x=\dfrac{160000}{14281}$

$x\approx11.2$

Calculate the area:

$A=\dfrac{(16)(11.2)}{2}=89.6$

7 0

3 years ago

2. Celesta used to spend 90 minutes a day on the phone. Now she spends

algol13

Answer:

33%

Step-by-step explanation:

sorry my bad i did percentage increase.

7 0

3 years ago

Can all one-variable inequalities be simplified to a two-step inequality? HURRY!!!

Artist 52 [7]

Next, solve as you would solve any two-step inequality. Since 2 is added to , you can get by itself on one side of the inequality by subtracting 2 from both sides. Then, to get by itself on one side of the inequality, you need to multiply both sides by 2.D

8 0

4 years ago

You are given a choice of taking the simple interest on $100,000 invested for 2 years at a rate of 3% or the interest on $100,00

valentinak56 [21]

Answer:

Step-by-step explanation:

the simple interest formula= principal* interest rate*time

simple interest : 100000*%2*2 years

simple interest= 4000 dollars

compound quarterly : A=principal(1+r/4)^t

since it is quarterly and have 4 quarters in a year, and 8 in two years.

compound quarterly: 100000(1+0.03/4)^8=106159.88

it is better to invest with compound interest because it add 6159 dollars in two years to the investment of 100000 dollars.

the difference between the interest: 6159.88-4000=2159.88

5 0

3 years ago

Which of the following are solutions to the equation below?

weeeeeb [17]

Answer:

stop deletin my answers the answer is a b c e

Step-by-step explanation:

5 0

3 years ago