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Hunter-Best [27]
3 years ago
14

What is the perimeter of rectangle ABCD on the coordinate plane? coordinate grid

Mathematics
2 answers:
vodomira [7]3 years ago
6 0
Drat it all I am so bad at reading.  Sorry about that it is my fault :O
Inga [223]3 years ago
6 0
Well the formula for a perimeter of a triangle is 2(lxw) so the length here is 10 i think (just count the cubes on the bottom) then with that number you multiply that by the width (side) then multiply by 2. i counted ten on the length and 5 on the width (im not sure if thats how any because its hard to cound on a tiny grid on a computer hehe), so i multiplied 10 x 5 and got 50, then multiply by 2, i got 100. im not sure, but ill double check :) 
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Help needed!!! Please
Sliva [168]

Answer:

<em>The correct option is:  C. x=6\sqrt{3}, y=12</em>

Step-by-step explanation:

The two angles of the triangle are given as 60° and 60°

As the sum of all three angle in any triangle is always 180°, so the measure of the third angle will be: 180°-(60°+60°) = 180° - 120° = 60°

Now each angle of the triangle is 60°, it means the triangle is equilateral.

The base of the triangle is given as 12. So, the length of each side will be 12.

That means, the value of y=12

Now in the left right triangle.....

Sin(60)=\frac{x}{y} \\ \\ \frac{\sqrt{3}} {2}=\frac{x}{12} \\ \\ 2x=12\sqrt{3} \\ \\ x=6\sqrt{3}

So, the value of x = 6\sqrt{3}

7 0
2 years ago
I need help with number 8
Oksana_A [137]
The answer is 16.8!!!!
3 0
3 years ago
Can someone please help me ASAP :)
jeyben [28]
Did this a couple years ago, im kinda lost xD . sorry
4 0
3 years ago
13. Distributive Property<br> 3(x - 1) = 3x - ?
goblinko [34]

Answer:

\huge\boxed{3x-3}

Step-by-step explanation:

3(x-1)=\\\\\text{Distribute: }\left \{ {{3*x=3x} \atop {3*-1=-3}} \right.\\\\3(x-1)=\boxed{3x-3}

8 0
3 years ago
Read 2 more answers
The function h is defined by h (x) = 5x + 2
soldier1979 [14.2K]
The correct answer is 42.
5 • 8 = 40
40 + 2 = 42
5 0
3 years ago
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