Math, asked by sakerkalathingal, 6 months ago

The figure shows an equilateral triangle, Square and a regular pentagon put together. How much is ABC ?

Answers

Answered by shuklarimjhimremo

3

Answer:

BUT WHERE IS THE FIGURE BRO HOW DO WE UNDERSTAND .. ????

PLS ATTACH THE FIGURE

Answered by careenlyngdoh4

0

Step-by-step explanation:

The vertex angle of pentagon is 108 degrees.

Let the length of side of pentagon be a , by sine rule we get

sin90

a

=

sin54

1/8

, which gives a=0.1545

Perimeter of pentagon is 5×0.1545=0.77.

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