**Concept:** **The question tests on basics of Geometry**

**Solution:**

Angle ACB = 180 - 75 - 30 = 75

Therefore ABC is an isosceles triangle where AB = BC = 4

the perimeter = 4 + 4 + 3 = 11**Option C**

Modified on: Tue, 12 Oct, 2021 at 2:16 PM

**Concept:** **The question tests on basics of Geometry**

**Solution:**

Angle ACB = 180 - 75 - 30 = 75

Therefore ABC is an isosceles triangle where AB = BC = 4

the perimeter = 4 + 4 + 3 = 11**Option C**

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