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If KL = LM and KJ = JM, find m ∠KJL

please, i really need your help!

If KL = LM and KJ = JM, find m ∠KJL please, i really need your help!-example-1

2 Answers

11 votes

Final answer:

To find the measure of angle KJL, one must recognize that KL = LM and KJ = JM indicate two isosceles triangles, but without additional information, the exact measurement cannot be determined.

Step-by-step explanation:

The student is asking to find the measure of angle KJL given that KL is equal to LM and KJ is equal to JM. This appears to be a geometry problem involving properties of triangles and the concept of congruent segments. To find the measure of angle KJL, we need to recognize that KL = LM and KJ = JM imply two isosceles triangles: triangle KJL and triangle JML, with KJL being a part of both.

Since KL equals LM, triangle KLM is isosceles and the base angles, K and M, are congruent. Similarly, since KJ equals JM, triangle KJM is also isosceles, and the base angles K and M are congruent. As a result, angle KJL, as it is part of both isosceles triangles, must be bisected, creating two congruent angles.

Angle KJL is therefore bisected into two equal angles, and the measure of angle KJL is twice the measure of either one of the congruent angles. However, without additional information or a specific measure, we cannot determine the exact measure of angle KJL. If there were angle measures or other information given, we could use that to calculate the measure of angle KJL using the properties of isosceles triangles.

User Htinlinn
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3.6k points
5 votes
The triangles are congruent by SAS, so the two angles with 7x and 3x+16 are equal. So

7x=3x+16
4x=16
x=4

So KJL=7(4)=28.
User Chandmk
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4.8k points