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3 years ago

PLEASE HELP!! Identify the polygon and determine if it is concave or convex

Mathematics

1 answer:

Mars2501 [29]3 years ago

6 0

Answer:

Concave

Step-by-step explanation:

Concave means that there's an indent in the polygon somewhere, for example an octagon would not be a concave shape because it doesn't have an indent in it anywhere. Hope that makes sense

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Please help!!! I need anybody help who knows the answer.

Tpy6a [65]

Your answer should be C sorry if i'm wrong, hope it helps tho

4 0

3 years ago

I need help on this

nasty-shy [4]

Answer:

the answer would be -3/4

Step-by-step explanation:

(-4,3)(0,0)

y2-y1/x2-x1

0-3/0+4

-3/4

8 0

3 years ago

A triangular bandana has an area of 78 square inches. The height of the triangle is 9 3 4 inches. Enter and solve an equation to

brilliants [131]

Area of triangle = 1/2 x base x height:

78 = 1/2 x base x 9 3/4

Multiply both sides by 2:

156 = base x 9 3/4

Divide both sides by 9 3/4:

Base = 16 inches

5 0

2 years ago

What is the order from least to greatest: 2/6, 3/7, 5/12, and 4/10?

fenix001 [56]

Answer: Order from Least to Greatest

2/6 < 4/10 < 5/12 < 3/7

Step-by-step explanation:

6 0

3 years ago

A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

frutty [35]

Answer:

The length of the wire is 76.19 m.

Step-by-step explanation:

It is given that a guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

It means base of the right angled triangle is 40 m.

The wire makes an angle of 58deg 20min with the ground.

1 degree = 60 min

Using this conversion convert the given angle in degree.

$58^{\circ}20'=58^{\circ}\frac{20}{60}^{\circ}=58\frac{1}{3}^{\circ}=\frac{175}{3}^{\circ}$

In a right angled triangle

$\cos \theta=\frac{adjacent}{hypotenuse}$

$\cos (\frac{175}{3}^{\circ})=\frac{40}{hypotenuse}$

$0.525=\frac{40}{hypotenuse}$

$hypotenuse=\frac{40}{0.525}$

$hypotenuse=76.190$

Therefore the length of the wire is 76.19 m.

3 0

3 years ago