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Sav [38]
3 years ago
10

How to find the size of an angle

Mathematics
2 answers:
ikadub [295]3 years ago
8 0

Answer: Depends on the shape

Step-by-step explanation:

For example, the angle is 90 degrees

maksim [4K]3 years ago
3 0

Answer:

Well if the angle is drawn to scale you can use a protractor.

But if it’s not you need to divide the known length by the sine of its opposite angle.

So find the sine of the angle opposite to the known length.

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Please help on 10 11 and 12
erastova [34]
Try multiplaying all sides
4 0
3 years ago
Please help anybody it would help alot
antoniya [11.8K]
X=20

180-77=103

so then simplify (6x-17)=103
6x=120
x=20
5 0
3 years ago
Find the area of the regular trapezoid. The figure is not drawn to scale. The top side is 4, the bottom side is 7, and both side
svp [43]
A regular trapezoid is shown in the picture attached.

We know that:
DC = minor base = 4
AB = major base = 7
AD = BC = lateral sides or legs = 5

Since the two legs have the same length, the trapezoid is isosceles and we can calculate AH by the formula:

AH = (AB - DC) ÷ 2
      = (7 - 5) ÷ 2
      = 2 ÷ 2
      = 1

Now, we can apply the Pythagorean theorem in order to calculate DH:
DH = √(AD² - AH²) 
      = √(5² - 1²)
      = √(25 - 1)
      = √24
      = 2√6

Last, we have all the information needed in order to calculate the area by the formula:

A =  \frac{(AB + CD)DH}{2}

A = (7 + 5) × 2√6 ÷ 2
   = 12√6

The area of the regular trapezoid is 12√6 square units.

7 0
3 years ago
Find the value of . A. 8 B. 32 C. 192 D. 1,536
Tamiku [17]

Answer:

8

Step-by-step explanation:

plz brainliestt

6 0
3 years ago
Read 2 more answers
The correct expression for a number which is 9 times as big as the number obtained after p has been increased
defon

Answer:

9(p + 4)

Step-by-step explanation:

One of the unknown variable is p.

First of all, we know that the number is 9 times as big (multiplication) as the new number obtained through the addition of four to p i.e (p + 4).

Translating the word problem into an algebraic expression, we have;

9 * (p + 4) = 9(p + 4)

Simplifying further, we have;

9p + 36

4 0
3 years ago
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