The base of triangle is 15 cm and height is 12 cm. the height of another triangle is of double the area having the base 20 cm is 

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Question:The base of triangle is 15 cm and height is 12 cm. the height of another triangle is of double the area having the base 20 cm is 
1.23 cm
2.16 cm
3.45 cm
4.18 cm
Answer:4