Register
Find the length of DA
204k views
3 votes
Find the length of DA

Find the length of DA-example-1
User Fabio Milheiro
by
4.6k points

1 Answer

11 votes

Answer:

2.5

Explanation:

1. intersecting chord theorem

2. Let where CB and DA intersect be X

3. CX * XB = DX * XA

4. 7*x = (x+1) * 2x

5. 7x = 2x^2 + 2x

6. 2x^2 - 5x = 0

7. x = 2.5 or 0

8. length cant be 0 so x = 2.5

User Bernard Jesop
by
5.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.1m questions

6.7m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
Link Copied!