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Varvara68 [4.7K]
3 years ago
9

Find the value of b to the shape

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
6 0

Answer:

b=99°

Step-by-step explanation:

108°+72°+81°+b=360°

b=99°

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Use Pythagorean Theorem to determine which set of sides can be the sides of a right triangle.
irga5000 [103]
The answer is A since: 3^2+4^2=5^2
25=25
6 0
3 years ago
Given: ΔABC is isosceles; AB ≅ AC
borishaifa [10]

AB = AC, they are equivalent. Since an isosceles triangle has the congruent angle property, mB = mC cannot be shown until AB=AC.

<h3>What is Isosceles triangles?</h3>

Generally, Isosceles triangles are those that have two sides that are equal in length and two angles that are also equal in size.

Hence The sides and angles theorem for triangles., and the side AB is equal to the other side AC,

In conclusion, Assuming that the base angles, mB, and mC, are of equal measure, the triangle sides and angles theorem states that segment AC is larger than AB. The bigger angle of a triangle is always opposite to the longer side, according to the theorem.

AB is congruent to AC cannot be proven unless AB=AC then,

m<B = m<C because the isosceles triangle has the congruent angle property

Read more about Isosceles triangles

brainly.com/question/2456591

#SPJ1

8 0
2 years ago
I do not understand this at all!
IceJOKER [234]

Answer:

∠1 = 51°   ∠2 = 39°

Step-by-step explanation:

ok since the picture is a right angle put it equal to 90

like this:

3x + x + 22 =90

4x + 22 = 90

4x = 68

x = 17

now we plug it in:

3(17)= 51°

(17) + 22 = 39°

*a straight line is equal to 180, a right angle is 90

does that make sense?

7 0
3 years ago
Thats it, ima be also posting more if i dont get the question
soldi70 [24.7K]

The equation of this straight line is y = 50x + 100.

<h3>What is a linear function?</h3>

A linear function can be defined as a type of function whose equation is graphically represented by a straight line on the cartesian coordinate.

<h3>How to determine the equation?</h3>

In order to determine the equation from this graph of a linear equation, we would find the slope of the straight line by using this formula as follows:

Slope,\;m = \frac{Change\;in\;y\;axis}{Change\;in\;x\;axis}\\\\Slope,\;m = \frac{y_2\;-\;y_1}{x_2\;-\;x_1}

Slope, m = 100/2

Slope, m = 50.

Mathematically, the standard form of the equation of a straight line is given by;

y = mx + c

Where:

  • x and y are the points.
  • m is the slope.
  • c is the intercept.

At point (4, 300), we have:

y = mx + c

300 = 50(4) + c

300 = 200 + c

c = 300 - 200

c = 100.

Therefore, the equation of this straight line is y = 50x + 100.

Read more on slope here: brainly.com/question/28312822

#SPJ1

5 0
1 year ago
How to convert angle measure from degrees to radians?
Anestetic [448]
Multiply by 0.0174533

use whatever precision is appropriate.

for example 1 degree is equal to 1 × 0.017 radian
8 0
3 years ago
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