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
mestny [16]
3 years ago
15

An equilateral triangle has an apothem measuring 2.16 cm and a perimeter of 22.45 cm.

Mathematics
2 answers:
max2010maxim [7]3 years ago
5 0

Answer:

24.2 cm²

Step-by-step explanation:

just olya [345]3 years ago
4 0

Answer: 24.25cm^{2}

Step-by-step explanation:

The formula for calculating the area of a triangle given the apothem and perimeter is

Area = \frac{1}{2} x apothem x perimeter

apothem = 2.16

perimeter = 22.45

substituting into the formula , we have

Area = \frac{1}{2} x 2.16 x 22.45

Area = 24.246cm^{2}

Area≈ 24.25cm^{2}

You might be interested in
A line segment AB has the coordinates A (2,3) AND B ( 8,11) answer the following questions. What are the coordinates of the mid
vazorg [7]

Answer: the slope is m = 4/3

5 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!! WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!
siniylev [52]

Answer:

<u>(3);  (-1/2);  (-4)</u>

Step-by-step explanation:

First, you should convert the equation into cubic form.

r(x)=(x^2+x−12)(2x+1)

<u>2x^3  +3 x^2 − 23x− 12=0</u>

Next, use the rational roots test to find the first root.

<u>(-1/2) </u>

Using the factor theorem you can find the other roots.

<u>(3)</u>    <u>(-4)</u>

4 0
4 years ago
there are 12 boys and 10 girls in the gym class. If 6 more boys joined , how many more girls are needed to stay at the same rati
Aleonysh [2.5K]
\frac{12}{10}= \frac{18}{x}  &#10;
cross multiply
12x=180
divide both sides by 12
x=15
if their is 10 girls, then you need 5 more to keep the ratio. 

8 0
3 years ago
PLEASE HELP ME W/ THESE QUESTIONS! THANKS
Brilliant_brown [7]
See im only in the *th grade i have not learned that yet but soon will come maybe when it comes i can get u too help me ?

4 0
3 years ago
Marissa says that lines a and D will eventually intersect. Is she correct? Explain.
kirill [66]
Do you have a picture or something cause nobody can answer your question without a picture….. so yea
4 0
3 years ago
Other questions:
  • 14 students, how many different teams of 5 students can be made
    15·1 answer
  • In the after school Dena, Shawn, and Amanda knit scarfs that are the same size with yellow, white, and blue yarn. Denas scarf is
    8·1 answer
  • (n-5)/(n^2-25) how would i write this faction in simplest form?
    15·1 answer
  • 1. IQ scores of statistics students have a standard deviation less than 15. A. H0:σ≤15, H1:σ&gt;15 B. H0:σ≥15, H1:σ&lt;15 C. H0:
    15·1 answer
  • Here is a sales tax of $9 on an item that costs $120 before tax. the sales tax on a second item is $19.05. how much does the sec
    5·1 answer
  • Find the measure of each exterior angle for a regular polygon with 9 sides. round to the nearest tenth if necessary
    5·1 answer
  • I could really use some help! Im being timed right now :(
    10·1 answer
  • How can you find the product of positive and negative decimals
    7·2 answers
  • Please help me solve this in class rn
    11·1 answer
  • PLEASE HELP ASAP 30 POINTS!!!!!!!!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!