Seudónimo Seudónimo
  • 11-06-2019
  • Mathematics
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HELP PLEASE I'M CRYING, EASY 2 QUESTIONS

HELP PLEASE IM CRYING EASY 2 QUESTIONS class=

Respuesta :

freckledspots freckledspots
  • 11-06-2019

Answer:

12) 154   squared meters

13) 307  cm^2

Step-by-step explanation:

12) A circle has area pi*r^2

r is half the diameter so half of 14 is 7

pi in this case is 22/7

A=22/7 * (7)^2

A=22/7  * 49

A=22     *49/7

A=22     *7

A=154 squared meters

13)  Area of rectangle is 10(18)=180

      Area of half a circle is .5*pi*r^2=.5*pi*9^2  

       Adding the two areas together would result in a total area of 307.2 squared centimeters

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