All categories

3 years ago

How many vertices does a heptagon have

Mathematics

2 answers:

Olegator [25]3 years ago

5 0

Hey! There are 7 sides and 7 vertices on a Heptagon. Hope this helps!

Hoochie [10]3 years ago

4 0

The heptagon has seven vertices because the shape of the heptagon has seven sides, so therefore the heptagon has seven vertices

You might be interested in

Add the following decimals

Fantom [35]

Answer:

148.91

Step-by-step explanation:

hope it helps<333

5 0

3 years ago

Anna ate

viva [34]

Answer:

−

Step-by-step explanation:

4 0

2 years ago

Find d for the arithmetic series with S17=-170 and a1=2

Irina18 [472]

So, we know the sum of the first 17 terms is -170, thus S₁₇ = -170, and we also know the first term is 2, well

$\bf \textit{ sum of a finite arithmetic sequence}\\\\
S_n=\cfrac{n(a_1+a_n)}{2}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
----------\\
n=17\\
S_{17}=-170\\
a_1=2
\end{cases}
\\\\\\
-170=\cfrac{17(2+a_{17})}{2}\implies \cfrac{-170}{17}=\cfrac{(2+a_{17})}{2}
\\\\\\
-10=\cfrac{(2+a_{17})}{2}\implies -20=2+a_{17}\implies -22=a_{17}$

well, since the 17th term is that much, let's check what "d" is then anyway,

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=17\\
a_{17}=-22\\
a_1=2
\end{cases}
\\\\\\
-22=2+(17-1)d\implies -22=2+16d\implies -24=16d
\\\\\\
\cfrac{-24}{16}=d\implies -\cfrac{3}{2}=d$

6 0

3 years ago

Q4 Find the missing angle x

BaLLatris [955]

Answer:

Step-by-step explanation:

X = 1/2 arc QS

arc QS is

360 =145+105+QS

110 = QS

so X is 1/2 QS

X= 55°

5 0

3 years ago

Shannon went to an auto repair shop and paid $339.50, which included parts that cost $112 and 3.5 hours of labor. Joni went to a

QveST [7]

Answer:

im late but its d i hope

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers