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3 years ago

14

Find the area of given shape.

2 answers:

Makovka662 [10]3 years ago

6 0

Answer:

124

Step-by-step explanation:

Find area of rectangle

than arrow

then add

diamong [38]3 years ago

6 0

Answer:

144

Step-by-step explanation:

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The measure of the supplement of abc equals 180 minus m Abc this is the definition of supplement or complement angle

Veseljchak [2.6K]

Complement: The sum of two angles equals 90°

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3 years ago

Find tan(450-a), If <br><img src="https://tex.z-dn.net/?f=%20%5Ctan%28a%29%20%3D%20%20%5Cfrac%7B1%7D%7B2%7D%20" id="TexFormula1"

Inessa05 [86]

Answer:

$tan(450-a)=5\sqrt{3}-8$

Step-by-step explanation:

We know that:

$tan(a-b)=\frac{tan(a)-tan(b)}{1+tan(a)tan(b)}$

$tan(450-a)=\frac{tan(450)-tan(a)}{1+tan(450)tan(a)}$

Remember:

450°=360°+60°

and:

$tan(a)=\frac{1}{2}$

Thus:

$tan(450-a)=\frac{tan(60)-tan(a)}{1+tan(60)tan(a)}\\\\$

Then:

$tan(450-a)=5\sqrt{3}-8$

4 0

2 years ago