2013 · Q61
The area of isosceles triangle ABC with AB=AC and altitude AD=3 cm is 12 sq cm. What is its perimeter?
Elementary MathematicsMensuration
- A18 cm
- B16 cm
- C14 cm
- D12 cm
Explanation
BC=8; AB=5; perimeter=18. Answer A.
The area of isosceles triangle ABC with AB=AC and altitude AD=3 cm is 12 sq cm. What is its perimeter?
Explanation
BC=8; AB=5; perimeter=18. Answer A.