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Triss [41]
2 years ago
9

If REX ~ ROB, find the value of a.​

Mathematics
1 answer:
Luba_88 [7]2 years ago
3 0

Answer: 8

Step-by-step explanation:

As corresponding sides of similar triangles are proportional,

\frac{RX}{RB}=\frac{XE}{BO}\\\\\frac{6}{15}=\frac{a}{20}\\\\a=20\left(\frac{6}{15} \right)=\boxed{8}

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