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SIZIF [17.4K]
2 years ago
9

Find the area of PQRS. Show the figures you

Mathematics
1 answer:
SVEN [57.7K]2 years ago
4 0
P- (-1,7) Q-(2,7) R-(7,-3) S-(-4,-4)
You might be interested in
Solve the triangle. B = 36°, a = 38, c = 18
Gelneren [198K]

Answer:

A ≈ 119.7°, b ≈ 25.7, C ≈ 24.3°

Step-by-step explanation:

A suitable app or calculator does this easily. (Since you're asking here, you're obviously not unwilling to use technology to help.)

_____

Given two sides and the included angle, the Law of Cosines can help you find the third side.

... b² = a² + c² - 2ac·cos(B)

... b² = 38² + 18² -2·38·18·cos(36°) ≈ 661.26475

... b ≈ 25.715

Then the Law of Sines can help you find the other angles. It can work well to find the smaller angle first (the one opposite the shortest side). That way, you can tell if the larger angle is obtuse or acute.

... sin(C)/c = sin(B)/b

... C = arcsin(c/b·sin(B)) ≈ 24.29515°

This angle and angle B add to less than 90°, so the remaining angle is obtuse. (∠A can also be found as 180° - ∠B - ∠C.)

... A = arcsin(a/b·sin(B)) ≈ 119.70485°

4 0
3 years ago
Seventeen minus the quotient of twelve and six is the equivalent to which of the following?
KATRIN_1 [288]

Answer:

It should be the first on the list   17 - 12/6

Step-by-step explanation:

if I replace the words in your sentence, you have

17 minus the  12/6

get

17 - 12/6

3 0
3 years ago
Solve: (6x2 + 5x + 1) + (x + 2).
Mademuasel [1]

Answer:

6x+6x2+3

Step-by-step explanation:

6x2+5x+1+x+2

Combine 5x and x to get 6x.

6x2+6x+1+2

Add 1 and 2 to get 3.

6x2+6x+3

7 0
1 year ago
(4₊√₋81)₋(9₊√₋9) i cant resolve this equation. thanks for help
bezimeni [28]

The question can't be solved because we can't have negative sign under square root

8 0
2 years ago
Read 2 more answers
What is the LOWER QUARTILE OR Q1 of the data set: 24, 25, 29, 30, 31, 31. 32, 34, 34?*​
MaRussiya [10]

Answer:

n=9

Step-by-step explanation:

Q1=n+1/4

=9+1/4

=10/4

=2.5

8 0
3 years ago
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