4 years ago

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

Mathematics

2 answers:

Xelga [282]4 years ago

6 0

Answer:

225 square cm

Step-by-step explanation:

larisa86 [58]4 years ago

3 0

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

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