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Tanya [424]
3 years ago
14

Which is a pentomino? ОА ОВ. ОС. OD.

Mathematics
2 answers:
VMariaS [17]3 years ago
7 0

Answer:

<h3>B. </h3>

Step-by-step explanation:

<h3>Because A. Is not pentomino </h3><h3>C. Is not pentomino</h3><h3>D. There are no pentomino</h3>

satela [25.4K]3 years ago
3 0
Your answer will be B
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If two sides of a triangle are congruent, then the angles opposite those sides are _______ congruent.
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Always

Step-by-step explanation:

Properties of an Isoceles Triangle

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3 years ago
Dallison cooked a 5-pound roast for supper.What is estimated mass in grams?
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8 0
3 years ago
Write in full text, no files plz.
slava [35]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Rearrange the equation so u is the independent variable.
vfiekz [6]

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Step-by-step explanation:

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4 0
4 years ago
Given triangle ABC, which equation could be used to find the measure of ∠B? right triangle ABC with AB measuring 6, AC measuring
rjkz [21]

Answer:

cos B = \dfrac{2\times \sqrt5}{5} is the correct answer.

Step-by-step explanation:

We are given a right angled \triangle ABC with the side measurements as:

AB = 6

AC = 3

BC = 3\sqrt5

In a right angled triangle, the angle of 90^\circ is the <em>largest angle and the side opposite to the right angle is the largest.</em>

We are given that the side BC = 3\sqrt5 which has a value greater than 6 which means side BC is the largest side.

And angle opposite to BC is \angle A is the largest i.e.

\angle A=90^\circ

Please refer to the attached image for the given dimensions of the triangle.

Now, we can apply trigonometric rules to easily find out the value of \angle B

cos \theta = \dfrac{Base}{Hypotenuse}\\OR\\cos B = \dfrac{AB}{BC}\\\Rightarrow cos B = \dfrac{6}{3\sqrt5}\\\Rightarrow cos B = \dfrac{2}{\sqrt5}\\\Rightarrow cos B = \dfrac{2\times \sqrt5}{\sqrt5 \times \sqrt5}\\\Rightarrow cos B = \dfrac{2\times \sqrt5}{5}

8 0
3 years ago
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