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Alexandra [31]
3 years ago
15

The measure of angle

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
8 0
Answer:
120 degrees

Explanation:
Opposite angles (angles that are on opposite sides of an intersection) are equal to each other. Because angle 2 and 120 degrees are opposite angles, angle 2 is equal to 120 degrees.

I hope this helped if it did, a brainliest would be much appreciated:)
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Each leg of a 45°-45°-90° triangle measures 12 cm.
vitfil [10]

Answer:

12 sqrt(2)

Step-by-step explanation:

Givens

a = 12 cm

b = 12 cm

c = ??

The triangle is isosceles with 1 right angle and 2 45 degree angles.

Formula

c^2 = a^2 + b^2

c^2 = 12^2 + 12^2

c^2 = 144 + 144

c^2 = 288

c^2 = 144 * 2

c = sqrt(144) * sqrt(2)

c = 12 * sqrt(2)

The answer isn't there. 12*sqrt(2) is the correct answer, 12sqrt(3).

Was this just a typo of some kind.

4 0
3 years ago
If 6m by 15m is a pond ,is 40m would be enough for fencing the pond
Veseljchak [2.6K]
If the pond were a rectangle, then:
length=15 m
width=6 m

We would have to calculate the perimeter of this rectangle.
Perimeter of a rectangle=2(length)+2(width)

Perimeter of this rectangle=2(15 m)+2(6 m)=30 m+12 m=42 m

We need 42 m and I only have 40 m, therefore, it would not be enough for fencing the pond. 
4 0
3 years ago
How do i write an equation in slope intercept form if they give you the slope and what it has to pass through. I totally forgot
Tanzania [10]

Answer:

y=mx+b

Step-by-step explanation:

The m=slope. The x is just there, and the b=the line it passes through

BRAINLIEST PLS

5 0
3 years ago
Come up with an example of an expression, equation, and inequality.
valentina_108 [34]
Expression (non-algebraic):  3+2
An equation: 2x +1 = 21
An inequality: 2x > 2+2
4 0
3 years ago
Read 2 more answers
What is the digit in 913 and where's the digit in the tens place and the value of the digit tens someone answer for my homework
lorasvet [3.4K]
4. Period with the digits 913 is called thousands period.
5. The digit in the ten thousand place is 1.
6. The value of 9 is hundred thousands.

Hope it will help you :)
3 0
3 years ago
Read 2 more answers
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