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3 years ago

Please help!!!part a

Mathematics

1 answer:

Setler [38]3 years ago

7 0

Answer:

b = 76°

Step-by-step explanation:

Hi there,

It is important to know that the sum of all the angles in any triangle equals 180°.

For this problem, we can write the following equation:

32° + 72° + b° = 180°

104° + b° = 180°

b° = 76°

Hope my explanation helps. Cheers.

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3 years ago

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Answer:

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3 years ago

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3 years ago

JUST THE FIRST ONE EASY PLS ASAP

Sladkaya [172]

Answer:

<h2>For the first triangle, x equals 22cm.</h2>

Here's how:-

x is the altitude or height of the triangle. To find it, we can use the Pythagoras theorem:-

$altitude^{2} + base^{2} = hypotenuse^{2}$

The base is 120cm and the hypotenuse is 122cm

Putting this in the equation, we get:-

$altitude^{2} + 120^{2} = 122^{2}$

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7 0

3 years ago

Two angles are supplementary. The first angle has 20 degreesmore the second angle. How ma y degrees are in each angle?

Vanyuwa [196]

Answer:

100 and 80

Step-by-step explanation:

Let x = be the first angle

x-20 is the second angle

They are supplementary so they add to 180

x+x-20 = 180

Combine like terms

2x-20 =180

2x-20+20 =180+20

2x= 200

Divide by 2

2x/2 = 200/2

x= 100

The first angle is 100 and the second is x-20

x-20 = 100-20=80

The two angles are 100 and 80

3 0

3 years ago