2 years ago

Plz help will mark you as brainliest

Mathematics

2 answers:

Fiesta28 [93]2 years ago

8 0

Answer:

41. s = semiperimeter

s = (a + b + c) /2

s = (120+170+250) /2

s = 270m

d is the correct option.

42. b is the correct option.

43. P = a + b + c

P = 120+170+250

P = 540m

a is the correct option.

44. A = √s((s-a)(s-b)(s-c))

=√270((270-120)(270-170)(270-250))

=9000m²

d is the correct option.

45. length of wire=P - space for gate

= 540 - 3

=537m

b is the correct option.

tatuchka [14]2 years ago

4 0

Answer:

hey add up all 170 m +120m+250m=540

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