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Can someone help?

solve for x, using the secant lines
10cm, 7cm, 7cm. round to the nearest tenth

Can someone help? solve for x, using the secant lines 10cm, 7cm, 7cm. round to the-example-1

1 Answer

3 votes

x = 4.9

Solution:

We can use the intersecting chords formula:


  • \text{(segment piece) x (segment piece) = (segment piece) x (segment piece)}


7*7 = 10x


49 = 10x

  • Divide each side by 10


49/10=10x/10


4.9 = x

Therefore, x = 4.9.

Can someone help? solve for x, using the secant lines 10cm, 7cm, 7cm. round to the-example-1
User Lswank
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