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3 years ago

If GI = 20 and H = 100°, then HI ___ 20. A. <B.=c.>

Mathematics

2 answers:

jarptica [38.1K]3 years ago

8 0

Answer:

Option A.

Step-by-step explanation:

Consider below figure attached with this question

Given information: GI = 20 and H = 100°

GHIJ is a rhombus, so all sides are equal.

$GH=HI=IJ=JG$

Since GH=HI, so

$\angle HIG\cong \angle HGI$

Let,

$m\angle HIG=m\angle HGI=x$

The sum of all interior angles of a triangle is 180 degree.

$x+x+100=180$

$2x=80$

$x=40$

In a triangle smaller angle have smaller opposite side and greater angle have larger opposite side.

$40$

$m\angle HGI$

$HI$

The value of HI is less than 20.

Therefore, the correct option is A.

Allisa [31]3 years ago

7 0

It is smaller than 20, A

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Read 2 more answers

Can someone please help me with part B?

Ira Lisetskai [31]

Y = - 20x + 100

Slope is -20, y-intercept is 100.

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2 years ago

What is the equation of the line that passes through the points (4/5,1/5) and (1/2,3/2)?

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Answer:

$y-\frac{3}{2}=\frac{-13}{3}(x-\frac{1}{2})$ point-slope form

$13x+3y=11$ (standard form)

Let me know if you prefer another form.

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The slope of a line can be found using $\frac{y_2-y_1}{x_2-x_1}$ provided you are given two points on the line.

We are.

Now you can use that formula. But I really love to just line up the points vertically then subtract them vertically then put 2nd difference over 1st difference.

(4/5 , 1/5)

-( 1/2 , 3/2)

-----------------

3/10 -13/10

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