There's a lot of theorems SAS, ASA, SSA, AAS, SSS
S=Side
A=Angle
If the order of the sides and angles in one of the above are congruent, then the triangles are congruent.
Hope this helps :D
Expanded Notation Form: 60,978= 60,000 +0 +900 +70 +8
Expanded Factors Form: 60,978= 6 × 10,000 +0 × 1,000 +9 × 100 +7 × 10 +8 × 1
Expanded Exponential Form: 60,978 = 6 × 104+0 × 103+9 × 102+7 × 101+8 × 100
Word Form:60,978 =sixty thousand nine hundred seventy-eight
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