Question

Construct a regular pentagon ABCDE , whose side AB=5 cm long.​

Answer 1

Answer:

Pentagon =5 sides

every side is equal so side ABCDE = 5 side

Answer 2

Constructed a regular pentagon ABCDE , whose side AB=5 cm

Step-by-step explanation:

a regular pentagon ABCDE , whose side AB=5 cm

=> AB = BC = CD = DE = AE = 5 cm

∠A = ∠B =∠C = ∠D = ∠E = 108°  

Step 1: Draw a lie segment  AB  = 5 cm using ruler

Step 2 : Draw anngleof 108 deg at A & B on AB on same side using protector

Step 3 : Take a length = 5 cm on bothe the angle drawn and mark point C & E

Step 4 : Draw an arc of radius 5 cm using compass taking E as center

Step 5 : Draw an arc of radius 5 cm using compass taking C as center such that it intersect arc drawn in step 4 at D

Step 6 : Join CD & DE

a regular pentagon ABCDE , whose side AB=5 cm is constructed

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