Draw a rough figure of an equilateral triangle and then draw it's line of symmetry.
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Yes, we can make an equilateral triangle which has 3 lines of symmetry.
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Answer:
Find the lateral surface area and total surface area of a cuboid of length 80 cm, breadth 40 cm and height 20 cm.
ANSWER
l=80cm,b=40cm,h=20cm
Therefore,
TSA = 2(lb+bh+hl)=
2(80×40+40×20+80×20)=11200 cm²
LSA = 2(l+b)h=2(80+40)20=4800 cm²
I hope this will be help you.
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