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
Bas_tet [7]
3 years ago
15

Find the area of a regular pentagon with radius 9mm

Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0

The area is calculated by using the formula A=(r^2)*n*sin(360/n)/2 where n is the number of sides which is 5 for pentagon and r is the radius which is 9 mm. So, using the formula, the answer is 51.4 mm^2.

You might be interested in
In AHIJ, the measure of ZJ=90°, IJ = 3.2 feet, and JH = 9.6 feet. Find the measure of
Dmitriy789 [7]

Answer:18.4

Step-by-step explanation:

7 0
3 years ago
Why do we not use closed parentheses/brackets for positive and negative infinity?
andrew-mc [135]

Answer:

i dont know why

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Find the dimensions of a rectangle with a perimeter of 52cm if it’s length is 4cm more than its width
Zina [86]
So the perimeter(P) of a rectangle would be:
P= 2L+2W
L being the length and W being the width.
The problem says the length is 4cm more than the width, so L= 4+W.
So if we substitute L with 4+W, we get:
P= 2(4+W) + 2W
Use the Distributive Property
P= 8+2W+2W
Combine like terms
P=8+4W
Since we're given the perimeter, we could replace P with 52. So:
52=8+4W
Subtract 8 to both sides
44=4W
Divide 4 to both sides
11=W
Therefore, the width is 11cm
And since the length is 4cm more than the width, we could add 4cm to 11cm to find that the length is 15cm
Thus, the dimensions of the rectangle are 15cm by 11cm
5 0
3 years ago
Someone please help with this asap!! I will mark brainliest if it's right! Serious answers only !!!
Arlecino [84]

Answer:

1) given

2) given

3) definition of vertical angles

4) AAS

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Ms.Jackson went to the local market to buy 50 pieces of fruit. Out of the 50 pieces of fruit she bought, 14 were apples. What fr
harkovskaia [24]

Answer:

A

Good luck kid mark me most brainliest!

8 0
2 years ago
Read 2 more answers
Other questions:
  • How do I know when to use Sin, Cos or Tan on Trig Ratios?
    7·1 answer
  • A system of two linear equations is graphed on a coordinate plane. If the system of equations has infinitely many
    10·1 answer
  • One and half times a number equals 6​
    11·1 answer
  • What are factors of 42 that subtract to -8
    6·1 answer
  • Help asap! giving brainliest! Check all that apply
    15·1 answer
  • It took Steve and his construction crew 8 months to build a house.After expenses,he was left with $24,872.67 for himself on aver
    5·1 answer
  • I don’t even know. I really need help with this question.
    15·1 answer
  • Suppose we are interested in bidding on a piece of land and we know one other bidder is interested. The seller announced that th
    15·1 answer
  • Is this relation a function?
    6·1 answer
  • Find the surface area of this composite solid.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!