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2 years ago

What is The Measurement of This angle

Mathematics

1 answer:

ZanzabumX [31]2 years ago

8 0

Answer:

155°

Step-by-step explanation:

I think that because when you imagine it

you feel like it's between 155° and 160°

but I think it's approximately to 155°.

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How many lines of reflectional symmetry does an equallaterial triangle have

d1i1m1o1n [39]

3. It has 3 symmetrical lines, so, therefore, has 3 lines of reflectional symmetry.

Hope this helps!
<em>~cupcake </em>

4 0

3 years ago

Who can explain how to do this problem -6x-12+8y+16x

Paul [167]

Answer: =10x+8y−12

Step-by-step explanation:

Let's simplify step-by-step.

−6x−12+8y+16x

=−6x+−12+8y+16x

Combine Like Terms:

=−6x+−12+8y+16x

=(−6x+16x)+(8y)+(−12)

=10x+8y+−12

Answer:

=10x+8y−12

3 0

2 years ago

Read 2 more answers

Which is an equation in point slope form of the line that passes through the points (7 -8) and has a slope of -3

Nataly [62]

Y+8 = -3(x-7)
Distribute the -3
y +8 = -3x +21
Subtract 8 from both sides
Y = -3x +21 -8
Y= -3x+13

3 0

3 years ago

Find the total surface area of the following cone. Leave your answer in terms of pi.

kramer

Answer:

90π cm²

Step-by-step explanation:

Given: Radius of circular base= 5 cm

height= 12 cm

Now finding the surface of cone.

Formula; Surface area of cone= $\pi rl+ B$

Where; r= radius

l= slant height

B is the area of base, which is circle.

Area of circle (B)= πr²

Area of circle (B)= $\pi \times 5^{2} = 25\pi$

∴ Area of circle (B)= $25\pi$

Finding slant height (l)

Formula; $l= \sqrt{r^{2}+h^{2} }$

⇒l = $\sqrt{5^{2}+12^{2} } = \sqrt{25+144 }$

∴ l= $\sqrt{169} = 13\ cm$

Next, using the formula for finding surface area of cone.

Surface area of cone= $5\times 13\times \pi + 25\pi$

⇒ Surface area of cone= $65\pi +25\pi = 90\pi$

∴ Surface area of cone= 90π cm²

6 0

3 years ago

What is the quotient of -10 and -5

Delicious77 [7]

What is the quotient of -10 and -5

2

7 0

3 years ago