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ThousandSeas9381
31.05.2021 •
Mathematics
Geometry: please only comment if you know the answer I need help with this please
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Ответ:
Step-by-step explanation:
Ответ:
he sum of the measures of two complementary angles is 90 degrees
Step-by-step explanation:
we know that
If two angles are complementary, then their sum is equal to 90 degrees
In this problem we have that
m∠ABD and m∠DBC are complementary
so
m∠ABD + m∠DBC=90° > by complementary angles
and
(m∠ABD + m∠DBC)+m∠EBC=180° > by a linear pair
Find the measure of angle EBC
substitute the given values
(90°)+m∠EBC=180°
∠EBC=180°-90°=90°