2 years ago

HELP PLEASE I'M CRYING, EASY 2 QUESTIONS

Mathematics

1 answer:

horsena [70]2 years ago

5 0

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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