j8nel
j8nel j8nel
  • 25-05-2018
  • Mathematics
contestada

Help please !!!!!!!!!!!!???

Help please class=

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jenarose891
jenarose891 jenarose891
  • 25-05-2018
10x13=130 
130 divided by 1/2 
65 
you answer is B) 65
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vidalmari6p99qfk
vidalmari6p99qfk vidalmari6p99qfk
  • 25-05-2018

First find the height

(5*5)+(x*x)=(13*13)  Pythagorean theorem  a squared+b squared=c squared c=hypotenuse(the longest side)

25+(x*x)=169

(x*x)=144

x= square root of 144=12

height=12cm

AREA=1/2base*height

AREA=5*12=60

ANSWER  A)

AREA=60 squared cm


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