Question

heron's formula 8+15+18​

Answer 1

Answer:

s =

a + b + c

2

=

1

2

( 8 + 15 + 18 ) = 20.5

A = √s(s - a)(s - b)(s - c) =

= √(20.5)(20.5 - 8)(20.5 - 15)(20.5 - 18) =

= √(20.5)·(12.5)·(5.5)·(2.5) = √3523.4375

= 5√2255

4

≈ 59.358550352918826

Step-by-step explanation:

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