Answer:
28 cm
Step-by-step explanation:
Median = (base1 + base2)÷2
Let: base2 be x
20= (12+x)÷2
Multiply both sides by 2 to cancel the divide 2
40=12+x
40-12=x
28=x
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Answers & Comments
Answer:
28 cm
Step-by-step explanation:
Median = (base1 + base2)÷2
Let: base2 be x
20= (12+x)÷2
Multiply both sides by 2 to cancel the divide 2
40=12+x
40-12=x
28=x