subrosasubrosasr subrosasubrosasr

17-05-2020
Mathematics

contestada

In the image below, a = 8 cm and b = 9 cm.

What is the surface area of the square pyramid?
144 square cm
196 square cm
225 square cm
369 square cm

In the image below a 8 cm and b 9 cm What is the surface area of the square pyramid 144 square cm 196 square cm 225 square cm 369 square cm class=

Respuesta :

debbiebreckley debbiebreckley

17-05-2020

Answer:

225 square cm

Step-by-step explanation:

Answer Link

PrincessRaharagus PrincessRaharagus

17-05-2020

Answer:

225

Step-by-step explanation:

first the square

9*9 = 81

then the triangle

a is 8

triangles are l*w/2 so 8*4.5/2

8*4.5 = 36/2 = 18

There are 8 of these triangles

18*8 is 144

144+81 = 225

Answer Link

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