Question

from the sum of (-2 )and 4 subtract -4

Answer 1

Answer:

geometry, Heron's formula (sometimes called Hero's formula), named after Hero of Alexandria, gives the area of a triangle when the length of all three sides are known. Unlike other triangle area formulae, there is no need to calculate angles or other distances in the triangle first.

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Answer 2

-4 subtract [(-2) sum 4 ]

-4 - [-2 + 4 ]

-4 - (2)

-6