1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Aliun [14]
3 years ago
7

The sum of the measures of two exterior angles of a triangle is 255°. What is the measure of the third exterior angle?

Mathematics
1 answer:
Juliette [100K]3 years ago
5 0
Answer its b hope is helps 

You might be interested in
What is the equation of the line that is perpendicular to 3x -6y =2 and contains the point (-2,--5)​
julsineya [31]

Answer:

y=-2x-12

Step-by-step explanation:

first, putt 3x-6y=2 in standard form:

subtract 3x from both sides: -6y=-3x+2

divide both sides by -6 to isolate y: y=1/2x-1/3

if the other line is perpendicular to this, you must find the slope by finding the opposite reciprocal of 1/2x: -2

now we have 2 points a slope, so we use the point-slope formula: y-y1=m(x-x1)

y+2=-2(x+5)

Use the distributive property: y+2=-2x-10

subtract 2 for both sides to isolate y: y=-2x-12

5 0
2 years ago
26.013 powers of ten
White raven [17]

Step-by-step explanation: So ig this wat you ASKED FOR?

3 0
3 years ago
Read 2 more answers
What is the volume of a figure that is 5cm,5cm,8cm,8cm,8cm,1cm
Ratling [72]

Answer:

the volume is 40 cm

Step-by-step explanation:

to find the volume all you need is length times width times height and you multiply it and that is your answer

7 0
3 years ago
Which out of the 2 choices is correct ?
tiny-mole [99]

Answer:

sinB is correct

Step-by-step explanation:

Calculating each of cos/ sin for ∠B

cosB = \frac{adjacent}{hypotenuse} = \frac{6}{3\sqrt{5} } = \frac{2}{\sqrt{5} } and

\frac{2}{\sqrt{5} } × \frac{\sqrt{5} }{\sqrt{5} } = \frac{2\sqrt{5} }{5} ≠ \frac{\sqrt{5} }{5}

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

sinB = \frac{opposite}{hypotenuse} = \frac{3}{3\sqrt{5} } = \frac{1}{\sqrt{5} } and

\frac{1}{\sqrt{5} } × \frac{\sqrt{5} }{\sqrt{5} } = \frac{\sqrt{5} }{5}

7 0
3 years ago
Read 2 more answers
How do you solve surface area
LekaFEV [45]
For squares and rectangles, it's easy: multiply the length of one side by the other.

For equilateral and isosceles triangles, measure the height (distance from one pointy tip to the point exactly halfway between the other two pointy tips) and multiply by half of the width of the base.  Scalene triangles are more complicated and vary depending on their exact measurements.  However, you can often divide them into several smaller isosceles triangles that can be easily calculated for.

For cylinders, find the area of one circle (use the equation A = \pi r^{2}) and multiply the answer by 2.  Call this number A.  Then, find the circumference of one of the circles.  Call this number C.  Then, measure the length of the cylinder.  Call this number L.  Multiply L and C together, then add A to the product.  That's the surface area of the cylinder.

For spheres, use the equation A = 4 \pi r^{2}, where A represents the surface area, \pi is approximately equal to 3.14, and r represents the radius, which is always exactly half of the diameter. 

Most other shapes, whether 3-dimensional or 2-dimensional, can be calculated by simply adding together the areas of their component parts.  An octagon can be divided into 8 isosceles triangles, which if you're given the right information are easy to calculate for (height times base divided by 2).  Once you find the area of one piece of the octagon, multiply by 8 (the number of sides).  This works for any regular polygon of n sides.
 
If you're being given irregular shapes, just divide them into many smaller, simpler ones that you already know how to calculate for.  Once you've determine the area of each of the component parts, add everything together to find the total area of the whole. 
5 0
2 years ago
Other questions:
  • Abbey purchased a house using a fixed rate mortgage. The annual interest rate is 4.2% compounded monthly for 20 years. The mortg
    7·1 answer
  • The volume of a cube can be found using the equation V = s³, where V is the volume and s is the measure of one side of the cube.
    9·2 answers
  • You earned an 82% on a math test. You answered 18 questions correctly.How many questions were on the test
    8·1 answer
  • Find the circumference
    12·2 answers
  • Four friends are trying to decide what kind of cake to order for a party: cheesecake, chocolate, or yellow. Everyone was asked t
    12·1 answer
  • The segments shown below could form a triangle. <br><br>True <br>or<br>False​
    9·1 answer
  • What is the square root of negative four
    6·1 answer
  • 3 1/3 (y+1 1/8 )=6 11/12 <br> hewp quickly
    8·2 answers
  • What is the solution to (4/2)4 + (1 + 3)?
    9·1 answer
  • The cost of the piece of granite is $137.70. What would you expect to pay for a similar piece of granite that is 108 inches by 6
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!