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2 years ago

Can someone help me with this please and explain how they got the answer, please and thank you!

Mathematics

2 answers:

Tresset [83]2 years ago

5 0

The answer is 37 degrees. That is a 90 degree angle so if you subtract 90-53, you get 37.

Helga [31]2 years ago

5 0

See that little box in the angle? That means it is a right angle. A right angle is 90 degrees always. If the angle is split into two parts and one side is 53 degrees, the other side is the rest of the 90 degree angle. The two angles have to add together to make the 90 degree angle, so you just subtract 53 from 90 and get 37 degrees.

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dexar [7]

Question 1: Option D

Area of the parallelogram = 132 cm²

Question 2: Option B

Area of the parallelogram = 3.60 ft²

Solution:

Question 1:

Base of the parallelogram = 6 + 5 = 11 cm

Height of the parallelogram = 12 cm

Area of the parallelogram = Base × Height

= 11 × 12

Area of the parallelogram = 132 cm²

Option D is the correct answer.

Question 2:

Base of the parallelogram = 1.9 + 0.5 = 2.4 ft

Height of the parallelogram = 1.5 ft

Area of the parallelogram = Base × Height

= 2.4 × 1.5

Area of the parallelogram = 3.60 ft²

Option B is the correct answer.

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2 years ago

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Black_prince [1.1K]

Answer:

$\angle A=17\textdegree$

Step-by-step explanation:

We know that A and B are complementary angles. So, they must add up to 90°. As an equation:

$\angle A+\angle B=90$

Since we know their equations, substitute:

$(x+8)+(8x+1)=90$

Solve for x. Combine like terms on the left:

$9x+9=90$

Subtract 9 from both sides:

$9x=81$

Divide both sides by 9:

$x=9$

So, the value of x is 9.

We want to find A. So, let's use the equation for A:

$\angle A=x+8$

Substitute 9 for x:

$\angle A=9+8$

Add:

$\angle A=17\textdegree$

So, the measure of A is 17°.

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xxTIMURxx [149]

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Answer:

Step-by-step explanation:

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