catguy71828
catguy71828 catguy71828
  • 11-03-2021
  • Mathematics
contestada

look at the shaded shapes the area of shape a is 3cm what is the area of shape b

look at the shaded shapes the area of shape a is 3cm what is the area of shape b class=

Respuesta :

senalvidun
senalvidun senalvidun
  • 11-03-2021

Answer:

(3×7)+(1.5×5)

21+7.5

28.5cm^2

Answer Link
Maurice07
Maurice07 Maurice07
  • 11-03-2021

Answer:

= 28.5cm²

Step-by-step explanation:

A is a full diamond which is equal to 3cm²

B has: 7 full diamonds and five 1/2 diamonds

Five 1/2 diamonds = 2 full diamonds and 1/2 a diamond.

If 1 diamond(A) = 3cm²

What about 9 diamonds = ?

= (9 × 3) ÷1

= 27cm²

If 1 diamond(A) = 3cm²

What about 1/2 a diamond = ?

= 1/2 × 3

= 1.5cm²

Total = 27 + 1.5

= 28.5cm²

Answer Link

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