Answer:
39) Opt. A (24)
Step-by-step explanation:
39) 40 - 8(n) where n = 2
=> 40 - 8*2
=> 40 - 16
=> 24 Opt. A
And just for information, the answer you marked for 38th is wrong.
Formula = bh/2
b = 16
h = 12
bh/2 = 16*12/2
=192/2 = 96
Hope this helps u
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9a + 5.25c
10 cm
a^2 + b^2 =c^2
6^2 + 8^2 = c^2
36 + 64 = 100
then find the square root of 100 which equals 10