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
Olenka [21]
3 years ago
11

Find the area of a regular pentagon with side equal to 3 and apothem equal to k. 1.5k 7.5k 12k

Mathematics
2 answers:
Anna007 [38]3 years ago
8 0
Area=(5/2)*(3*k)=7.5k
dimaraw [331]3 years ago
4 0

Answer:

AREA = (5/2) * (3*k) = 7.5k

You might be interested in
The 100th term of ​ 70, 100, 130
fgiga [73]

Answer:

3040

Step-by-step explanation:

given arithmetic progression is

70,100,130,...

here

first term (a)=70

common difference (d)=100-70=30

number of term n=100

using the formula of arithmetic progression

an=a+(n-1)d

a100=70+(100-1)30

a100=70+99×30

a100=70+2970

a100=3040

6 0
2 years ago
a 175cm tall student casts a shadow that is 2.3cm long. at the same time, a tree casts a shadow that is 8.2m longest
Anika [276]

Ok so I’m assuming the question is how the tall is we need to find the Angle of the sun so

Student : 175

Shadow: 2.3

Hypotenuse: 175.0151136

Using -cos(175/175.0151136) we find the

Suns angle: .753 Above him/her

Our tree’s shadow:8.2

Using the suns angle we use cos(x

8 0
3 years ago
How can you use 4×7 to find 8×7
Natasha_Volkova [10]
If you think about it, 4x7 is half of 8x7 (If you multiply 4, 7, and 2, you get 8x7). So really you can just multiply 4x7 by 2 and you will get 8x7!
7 0
3 years ago
Read 2 more answers
10 points, please help​
pochemuha
Answer: 8 inches

Explanation:
a^2 + b^2 = c^2
6^2 + b^2 = 10^2
36 + b^2 = 100
b^2 = 64
(Have to find the square root of 64)
= 8 inches
7 0
2 years ago
Read 2 more answers
108 identical books have a mass of 30 kg. Find
Lynna [10]

Answer:

(i) 540kg

(ii) 5.56 (rounded off to 3 significant figures)

Step-by-step explanation:

108  \div 30 = 3.6kg

(i)3.6 \times 150 = 540kg

(ii)3.6 \times x = 20

3.6x = 20

x =  \frac{20}{3.6}

x = 5 \frac{5}{9}

4 0
3 years ago
Other questions:
  • 6 times 1,356 using expanded form
    5·1 answer
  • An 8 ounce cup of gourmet coffee costs 4:50. If the unit price remains the same, how much would 3 quarts of coffee cost?
    10·1 answer
  • A school purchases boxes of candy bars each box contains 50 candy bars each box cost $20. how much does the school have to charg
    13·2 answers
  • Nikki ran 56 yards ran 18 yards what is the difference in the distance they ran
    8·1 answer
  • Experiments on learning in animals sometimes measure how long it takes a mouse to find its way through a maze. The mean time is
    7·1 answer
  • Does anyone get this!??
    5·1 answer
  • I just need help with 14,15,and the bonus
    11·1 answer
  • A wheel has 10 equally sized slices numbered from 1 to 10.
    7·1 answer
  • Please explain how to use a model to represent the division of two fractions.
    10·1 answer
  • I need help putting correct answers in the yellow boxes.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!