Answer:
81
Step-by-step explanation:
18*9=162
162*
=81
Area of large triangle
= 1/2 bh
= 1/2 (5)(12)
= 1/2 (60)
= 30
area of un-shaded triangle
= 1/2bh
= 1/2(3)(4)
= 1/2 (12)
= 6
area of shaded = area of large triangle - area of un-shaded triangle
area of shaded = 30 - 6
area of shaded = 24
answer
24
Answer:
Brainly plus gets rid of ads
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given



Required
Number of red marbles, without counting
To do this, we simply subtract the sum of the purple and red marbled from the total marbles.
So, we have:




Answer = 2
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