Answered

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PLS I NEED HELP I WILL REALLY APPRECIATE IF SOMEONE DID IT I WILL MARK YOU THE BRAINLY PLS HELP!!!!

PLS I NEED HELP I WILL REALLY APPRECIATE IF SOMEONE DID IT I WILL MARK YOU THE BRAINLY PLS HELP class=

Sagot :

Answer:

1) b= 39.5

2) c= 3.6

3) a=19

Step-by-step explanation:

Use the Pythagorean Theorem to find the missing side length.

"C" is the hypotenuse. Pythagorean Theorem: a^2+b^2=c^2

1) 11^2+b^2=c^41

121+b^2=1681

121-121+b^2=1681-121

b^2=1560

b= 39.5

2) 2^2+3^2=c^2

4+9=c^2

13=c^2

c= 3.6

3) a^2+9^2=21^2

a^2+81=441

a^2+81-81=441-81

a^2=360

a=19

Hope this helps!

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