What is the maximum number of equilateral triangles of side 3 cm that can be fitted in a large equilateral triangle with length 11.2 cm

Question

What is the maximum number of equilateral triangles of side 3 cm that can be fitted in a large
equilateral triangle with length 11.2 cm?​

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Eden 4 weeks 2021-08-16T14:41:58+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-16T14:43:14+00:00

    Step-by-step explanation:

    It is about 14 ….

    Mark as BRAINLIEST

    0
    2021-08-16T14:43:47+00:00

    Answer:

    At first

    a=3

    area of equilateral triangle= √3/4(side)²

    =√3/4(3)²

    Now,again

    A=11.2cm

    Area of equilateral triangle= √3/4(side)²

    √3/4(11.2)²

    Areaofequilateraltriangle= √3/4 (side)²

    = √3/4(11.2)²

    Now,

    No.of maximum number of equlateral triangles=√3/4×11.2×11.2/√3/43×3

    = 11.2×11.2/3×3

    =125.44/9

    =13.93∼14

    Hence, the number of maximum equlateral triangle=13

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18:9+8+9*3-7:3-1*13 = ? ( )