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Given: ABCD is a kite
AB=CB 
AD=DC 
angleB=120 
The circle has radius 3 
Find: perimeter of ABCD

Given ABCD Is A Kite ABCB ADDC AngleB120 The Circle Has Radius 3 Find Perimeter Of ABCD class=

Sagot :

Zeke93id
if angleb is 120 then AC is 120*2 = 240. 360-240 = 120 , 120/2 = 60 . If AB = 60 , angle adb is 30 and angle bdc is 30. DB is 2 * radius because angleA is 90. So with Pisagor AB = 3 , BC = 3 , AD = 3root3 and DC is 3root3.

Answer is = 6+6root3 = 6(1 + root3)




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