A rectangular parallelepiped has dimensions 6 cm, 4 cm and 3 cm. What is its total surface area?
एक आयताकार समांतर (Parallel) षट्फलक की विमाएँ 6 cm, 4 cm और 3 cm हैं। इसका कुल पृष्ठीय क्षेत्रफल (Total surface area) क्या है?
Answer और ExplanationAnswer and explanation
Answer: (B) 108 cm²
TSA = 2(lb + bh + hl) = 2(6 × 4 + 4 × 3 + 3 × 6)
= 2(24 + 12 + 18) = 2 × 54 = 108 cm²
✓
कुल पृष्ठीय क्षेत्रफल (Total surface area) 108 cm² है।
TSA = 2(lb + bh + hl) = 2(6 × 4 + 4 × 3 + 3 × 6)
= 2(24 + 12 + 18) = 2 × 54 = 108 cm²
✓
The total surface area is 108 cm².
Source: Selection Post Phase XIV (10th) · 22 Sep 2026 · Shift 3। Solution: Prashant Sir, Vijayastra।Source: Selection Post Phase XIV (10th) · 22 Sep 2026 · Shift 3. Solution by Prashant Sir, from Vijayastra.