3 years ago

PLEASE HELP simple geometry problem

Mathematics

1 answer:

vlabodo [156]3 years ago

5 0

Perimeter is adding the 3 sides together. Since both triangles have the same perimeter set both triangles to equal:

(x+3 + x+3 + x+3) = (x+3 + 2x-3 + x)

Simplify each side:

3x+9 = 4x

Subtract 3x from each side:

x=9

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fenix001 [56]

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3 years ago

HELP WITH THESE QUESTIONS PART 2... 1 Question

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<u>Step-by-step explanation</u> and Answers:

$(\frac{1}{\sqrt{10}},\frac{3}{\sqrt{10}})$ is in the format (cos, sin). So, adjacent = 1, opposite = 3, hypotenuse = $\sqrt{10}$

sin = $\frac{opposite}{hypotenuse}$ = $\frac{3}{\sqrt{10}}(\frac{\sqrt{10}}{\sqrt{10}})$ = $\frac{3\sqrt{10}}{10}$

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3 years ago

Find the area of the shape below

djverab [1.8K]

Break it down into a rectangle and triangle.
Area of rectangle is lw
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The other side is 6
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Add 48 and 12 to get 60
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