Answer:
<h2>====LEARN WITH REY====</h2>
What kind of property can I use for this question: 31+27+29?
In the properties used for this question use the properties of the fraction calculation
Step-by-step explanation:
If counted then the final result
31
27
29
__+
87
<h3>
# Study together brainly</h3><h3>
# Learn with rey</h3>
<h3>
Question code : 5.2.7</h3><h3>
Course : Math</h3><h3>
Theory : Splash</h3>
Step-by-step explanation:
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Complementary angles add up to 90.
Say the complementary angle is A.
Angle A + Angle B = 90
Angle A + 60 = 90
Angle A = 30 degrees
Hope this helps :)