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kirza4 [7]
3 years ago
10

What is 51-38=8 and 44-38=8?

Mathematics
1 answer:
Semenov [28]3 years ago
8 0
51-38=8 and 44-38=8 are both equivalent
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Given that A=27, B=43 and c=17, solve triangle ABC to the nearest hundredth
katrin2010 [14]
When we are given 3 sides, we try to solve the angles first by using the
law of cosines
cos (A) = [b^2 + c^2 - a^2] / (2 * b * c)
cos (A) = [43^2 + 17^2 -27^2] / (2 * 43 * 17)
cos (A) = [1,849 + 289 -729] / <span> <span> <span> 1,462
</span></span></span>cos (A) = 1,409 / 1,462
cos (A) = <span> <span> <span> 0.96374829001368
Angle A = 15.475

Now that we have one angle, we next can use the
Law of Sines
sin(B) / side b = sin(A) / side a
sin(B) = sin(A) * sideb / sidea
</span></span></span><span>sin(B) = sin(15.475) * 43 / 27
</span><span>sin(B) = 0.26682 * 43 / 27
sin (B) = </span><span>0.424935555555</span>
Angle B = 25.147 Degrees
Remember the arc sine (<span>0.424935555555) also equals </span> <span> <span> <span> 154.85

</span></span></span>Finally, calculating the third angle is quite easy
Angle C =  180 - Angle (A) - Angle(B)
Angle C =  180 - 15.475 - 154.85
Angle C =  9.675

Source:
http://www.1728.org/trigtut2.htm


6 0
3 years ago
Horizontal lines are __________ perpendicular to vertical lines. question 10 options:
LenKa [72]
A. Always
These lines<span> are </span>perpendicular<span> since their slopes are negative reciprocals.</span>
7 0
3 years ago
Triangle MNO is reflected over the x-axis and then translated up 4 and right 3. On a coordinate plane, triangle O M N has points
Schach [20]

Answer:

Option A. Translate the pre-image down 4 and right 3 and then reflect the figure over the x-axis

Step-by-step explanation:

8 0
3 years ago
What is 0.3636363636 to the nearest thousandth?
Bad White [126]

Answer: 0.364

The reason that it would be 0.364 is because the thousandths place is the third decimal place, which would leave you with a 3 but since there is a 6 after the 3, the 3 would be rounded up to a 4.

6 0
3 years ago
Complete the chart below to show the properties that hold true for the quadrilateral given in each row.
puteri [66]

Hey there!

<u>Opposite sides are congruent:</u>

all of them

<u>opposite angles are congruent</u>

rectangle and square

<u>all sides are congruent</u>

rhombus and square

<u>diagonals congruent:</u>

rectangle, rhombus, and square

<u>diagonals are perpendicular</u>

square and rhombus

Have a terrificly amazing day!

6 0
2 years ago
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