SOMEONE HELP ASAPPPP PLEASEEE,PLEASE EXPLAIN HOW U GOT YOUR ANSWER, I NEED AN EXPLANATION IN ORDER TO COMPLETE THIS! NO LINKS OR YOU WILL BE REPORTED, I WILL GIVE BRAINLIEST!!!!!

Plss show your work and give an explanation

Answer:

A = bh/2   A = 8x12/2

8 x 12 divided by 2 = 48

the area of the triangle is 48

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a*2 + b*2 = c*2

8*2 + 12*2

64+b2=144

b2=144−64

b2=80

b=√80

b=√16√5

b=4√

A=12bh

A=12(8)(4√5)

A=4(4√5)

A=16√5

A≈35.7771

thus answer is 35.7771

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A) l*2 = 81 ⇒l = √81 =9

4×9 = 36cm

B)

area divided by 2 because its half the square so

81 divided by 2 = 40.5

----------------------------------------------------------------------

3 ig

a2+b2=c2 52+h2=202 25+h2=400 2=375

h=√375

h=5√15cm

h=19.36cm

A = 97.8

Answer:

You can get all these answers, just remember that the pythagorean theorem is "c2 = a= + b2"

Step-by-step explanation:

Here's an example of a problem:

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Plz help! Giving brainliest to someone with complete and correct answers. Any absurd answers will be reported.

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*CORRECT ANSWER GETS BRAINLIEST*

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