Math, asked by sachinpardeshi0230, 9 months ago

find the number of diagonals of an 80 sided polygon

Answers

Answered by akmal2857

6

Answer:

35 diagonals

Step-by-step explanation:

That is A=10 x 8=80.
N(N-3)/2 From this formula we can predict that any convex decagon (N=10) has D=35 diagonals.

Mark me as brinelyiest

Previous Question

Next Question

Similar questions

Math, 4 months ago

3. Locate the points (3,0), (-3.5, 2.5), (5.5, - 3.5), (- 3.5, -4.5) and (0, -5.5) in the cartesian plane.

Math, 4 months ago

*मोना व तिची आई ह्यांच्या आजच्या वयाचे गुणोत्तर 2:5 आहे. जर त्यांच्या आजच्या वयाची बेरीज 63 असेल तर त्यांची आजची वये काय असतील?* 1️⃣ 18 व 45 2️⃣ 17 व 46 3️⃣ 12 व 51 4️⃣ 21 व 42...

Math, 4 months ago

Narhari planted 27 trees in a straight line in his garden at the same distance. If the distance from the first tree to the last tree is 532 m, what is the distance between the two nearest trees?

Math, 9 months ago

In Fig. 6.33, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB II CD.

Chemistry, 9 months ago

किन्ही दो धातुओं के ऑप्शन से अभिक्रिया लिखो...

English, 1 year ago

Did god exist?????????

Math, 1 year ago

on dividing -5/2 by its reciprocal we get...

Math, 1 year ago

give that tan (a+b)=tanA +tan B.1-tanAtanB then find the value of tan 75 and tan 90...