Answer:
its A.
Step-by-step explanation:
Answer:
Expand 
Step-by-step explanation:
Apply the distributive law: 
Apply minus - plus rules:
Multiply the numbers: 
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Answer:it would be 15cm^2 I think
Step-by-step explanation:
Answer:
∠ 1 = 130°, ∠ 2 = 50°
Step-by-step explanation:
∠ 1 and 130° are alternate angles and congruent, so
∠ 1 = 130°
∠ 2 and 130° are same- side interior angles and are supplementary, so
∠ 2 + 130° = 180° ( subtract 130° from both sides )
∠ 2 = 50°
Answer:
D
Step-by-step explanation:
Note that you have to multiply each side of the small triangle by 4 to get the same measurement of the large one.
