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Scilla [17]
2 years ago
13

Show that angle a+ angle b is equal to angle d​

Mathematics
2 answers:
mr_godi [17]2 years ago
8 0

sum of two angles of triangle are equal to the exterior angle of triangle

mestny [16]2 years ago
6 0

Answer:

Below.

Step-by-step explanation:

a + b + c = 180 degrees        (angles in a triangle)

c + d = 180 degrees              ( adjacent angles).

So, subtracting the 2 equations:

a + b + c - c - d = 0

a + b - d = 0

a + b = d.

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Find the domain of f(x)=sec(2x)
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Answer:

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6 0
3 years ago
5) Fill in the missing fact from the fact<br>family.<br>6 x 7=42<br>42÷ 7=6<br>42 ÷6=7<br>?​
Lelechka [254]

the missing fact is 7×4=42

8 0
3 years ago
[99+ POINTS]!!!!!!!!<br> SOMEONE PLEASE HELP ASAP <br> SERIOUS ANSWERS ONLY OR YOU WILL GET REPORTED
Dima020 [189]
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8 0
3 years ago
Read 2 more answers
I dont understand please help
DiKsa [7]

2 \frac{1}{2}+(-2\frac{1}{4})

This is equal to:

2\frac{1}{2}-2\frac{1}{4}

When you add a negative number, it turns into subtraction.

First, I would change it to mixed numbers:

\frac{5}{2}-\frac{9}{4}

Now, you need to change the denominators to make sure they are the same on both fractions. I changed the first fraction's denominator to 4 so they match. You can do this by multiplying the numerator by 2:

\frac{10}{4}-\frac{9}{4}

Now, you simply subtract:

10-9=1

1/4 is your answer.

I hope this helps :)

3 0
3 years ago
The area of a rectangular field is 8811 m2. if the width of the field is 89m, what is the length?
xeze [42]
Length = 99 because...
since you multiply to get the area, in order to find the missing term of an area (in this case its length), you do the opposite of what you started with...so if you multiplied to get the area, you need to divide to get the missing side...
so 8811 divided by 89 = 99
99 x 89 = 8811
4 0
3 years ago
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