Question

please help me with this

Answer 1

Answer:

222 cm²

Step-by-step explanation:

Formula:

A = bh+L(s1+s2+s3)

s1+s2+s3= sides of triangle

b= base

L= length

h= height

b= 4

h= 3

L=15

s1=4

s2=5

s3=5

A= 4×3+15(4+5+5)

= 12+15(14)

=12 +210

= 222 cm²

All the best

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