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Nonamiya [84]
3 years ago
10

On circle O below, SE is a diameter. What is the measure of ISE

Mathematics
2 answers:
ddd [48]3 years ago
7 0
Angle LIS is congruent to angle DIE making both of them 61°, angle LID and angle SIE are congruent as well. When you add LIS, DIE, LID, and SIE all add to 360°. So 61+61 equals 122. 360-122 is 238. You divide 238 by 2 to get 119. That will be the measure of angle SIE. A triangle is a total of 180° so add up the angles 27° + 119° to get 146°. Subtract that from 180° to get 34°.

34° is the measure of ISE

Hope this helps!
dsp733 years ago
4 0

Answer:

Step-by-step explanation:

34

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