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  • 17-07-2021
  • Mathematics
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WILL MARK BRAINLIEST PLEASE SHOW WORK!

WILL MARK BRAINLIEST PLEASE SHOW WORK class=

Respuesta :

ferrybukantoro
ferrybukantoro ferrybukantoro
  • 17-07-2021

Step-by-step explanation:

4. the area of semi circle R =

3²/5² × 75π = 9/25 × 75π = 27π cm²

5. the ratio of their areas = 1²:7² = 1:49

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