191k views
1 vote
Help please and thank you

Help please and thank you-example-1
User ChristDist
by
6.8k points

1 Answer

2 votes

Answer:

56

Explanation:

Missing length = x + 21

Based on the Three Parallel Lines Theorem, we have:

x/21 = 20/12

Cross multiply

x*12 = 20*21

12x = 420

12x/12 = 420/12

x = 35

✅Missing length = x + 21

Plug in the value of x

= 35 + 21

= 56

User WagnerMatosUK
by
7.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.