what rule is followed in this
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92
Step-by-step explanation:
base*left side+right side (-3;-5;-7)
1st triangle = 5X2
= 10 +6
=16-3
=13
2nd triangle = 10X9
= 90+7
=97 - 5
=91
3rd triangle =
5X4
=20 +8
=28 -7
=21
( we are subtracting all odd numbers one after another )
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