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MrMuchimi
3 years ago
10

Find the area of the polygon. 7 cm 20 cm 16 cm

Mathematics
1 answer:
lana [24]3 years ago
7 0

Answer:

140

Step-by-step explanation:

sorry if wrong!

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Which ordered pair would form a proportional relationship with the point graphed below?
jolli1 [7]

Answer:

(5, 20)  

Step-by-step explanation:

We can find the slope of the line

m = (y2-y1)/(x2-x1)

    = (40-0)/(10-0)

    = 40/10

    =4

Since the line goes through (0,0) the y intercept is 0

y = mx+b

y = 4x

Lets check the points  by substituting into the equation

40, 10)     10 = 4*40   10 =160  no

(–5, –10)    -10 = 4*-5    10 = -20   no

(5, 20)       20 = 4*5    20 = 20  yes

(–10, –20)    -20 = 4*-10    -20 = -40   no

4 0
3 years ago
Read 2 more answers
Please help<br><br> Why is this not an equilateral triangle?
brilliants [131]

The given shape in the image is not an equilateral triangle.

<h3>What is an equilateral triangle?</h3>

The triangle with all three sides equal and all the angles equal is called an equilateral triangle.

In the given figure we can see a triangle this triangle is not an equilateral triangle because the figure is formed between a square grid now if you see closely the base of the triangle can not be equal to the two sides of the triangle.

Because these two sides are the hypotenuse for the remaining right-angle triangle. So the base of the highlighted triangle can not be equal to the other two sides of the triangle.

Therefore given shape in the image is not an equilateral triangle.

To know more about triangles follow

brainly.com/question/17335144

#SPJ1

4 0
2 years ago
Please help please help​
Mumz [18]

Answer:

angleEAF=angleBAC (शिर्षभिमुख कोण भएर)

10x+90+5x=180 (सरल कोण भएर)

or, 15x+90=180

or, 15x=180-90

or, 15x=90

or, x=90÷15

or, x=4

3 0
2 years ago
Read 2 more answers
What is equivalent to 6/8
Liono4ka [1.6K]
3/4 is the reduced form, also 12/16 is each doubled
3 0
4 years ago
Read 2 more answers
Find the area of a 7-gon with side length 10. Round to a whole number.
Alja [10]
Answer:
n = 7
a = 10 m
r = 10.3826 m
R = 11.5238 m
A = 363.391 m2
P = 70 m
x = 128.571 °
y = 51.4286 °
7 0
3 years ago
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