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3 years ago

Rotate -4,3 90 degrees counter clockwise

Mathematics

1 answer:

Delicious77 [7]3 years ago

8 0

The answer would be (4,3)

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Which of the following theorems verifies that ABC~WXY?

Bumek [7]

Answer:

The correct answer is option B. AA

Step-by-step explanation:

Given two triangle:

$\triangle ABC$ and $\triangle WXY$ .

The dimensions given in $\triangle ABC$ are:

$\angle A = 27^\circ\\\angle B = 90^\circ$

We know that the sum of three angles in a triangle is equal to $180^\circ$ .

$\angle A+\angle B+\angle C = 180^\circ\\\Rightarrow 27+90+\angle C=180^\circ\\\Rightarrow \angle C = 63^\circ$

The dimensions given in $\triangle WXY$ are:

$\angle Y = 63^\circ\\\angle X = 90^\circ$

We know that the sum of three angles in a triangle is equal to $180^\circ$ .

$\angle W+\angle X+\angle Y = 180^\circ\\\Rightarrow \angle W+90+63=180^\circ\\\Rightarrow \angle W = 27^\circ$

Now, if we compare the angles of the two triangles:

$\angle A = \angle W = 27^\circ\\\angle B = \angle X= 90^\circ\\\angle C = \angle Y= 63^\circ$

So, by AA postulate (i.e. Angle - Angle) postulate, the two triangles are similar.

$\triangle ABC \sim \triangle WXY$ by AA theorem.

So, correct answer is option B. AA

7 0

3 years ago

Simplify the expression: 8d+9c+1x3=b

VMariaS [17]

Answer:

b=8d+9c+3

Step-by-step explanation:

Multiply:

1x3=3

Rewrite Equation:

b=8d+9c+3

Hence, the correct answer is b=8d+9c+3

6 0

2 years ago

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Find x in this 45°-45°-90° triangle. x=

Blababa [14]

Answer:

Step-by-step explanation:

This is the same question as before just flipped around

6 0

3 years ago

−3n+2≥−4n−3 solution

nydimaria [60]

Answer:

n≥-5

Step-by-step explanation:

-3n+2≥-4n-3

add 4n on both sides

n+2≥-3

subtract 2 on both sides

n≥-5

4 0

3 years ago

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Help plz solve 2y-3=4y+6 y=

Masja [62]

Here is your answer.

3 0

3 years ago

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