sleepybear156
sleepybear156 sleepybear156
  • 27-04-2021
  • Mathematics
contestada

Id like some help in this, thanks.

Id like some help in this thanks class=

Respuesta :

jimrgrant1 jimrgrant1
  • 27-04-2021

Answer:

80 cm²

Step-by-step explanation:

Given 2 similar figures with sides in the ratio a : b , then

ratio of areas = a² : b²

Here ratio of sides = 7 : 14 = 1 : 2

ratio of areas = 1² : 2² = 1 : 4

Thus area of B is 4 times area of A

area of B = 4 × 20 = 80 cm²

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