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Mashutka [201]
3 years ago
15

Helllp geometry! Pls!

Mathematics
1 answer:
creativ13 [48]3 years ago
7 0
He should use the Pythagorean Theorem to find the missing length.


Since KT is tangent to the circle and TL reaches the center of circle L, the measure of angle LTK is 90 degrees. This means that triangle LTK is a right triangle which means the Pythagorean Theorem can be used.

So,
TL²+(12)²=(13)²
=> TL²+144=169
=> TL²=25
=> TL = 5

Therefore, the radius of circle L is 5 feet.


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Answer:

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For triangles ABC and FGH, given that

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This cannot be taken as SAS congruence because the angle F is not included between the equal sides.  Two triangles can be congruent by SAS only if two sides and included angle are congruent.

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So option A is true.

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