Answer:
15°
Step-by-step explanation:
All angles in an equilateral triangle are equal.
Angle sum property of triangle = 180°
<1 + <2 + <3 = 180°
<1 = <2 = <3 = 60°
4y = 60
y = 60/4
y = 15°
try the very last one might be wrong but...
Answer:
Therefore the answer is 
Step-by-step explanation:
i) 2 feet 6 inches = (2 
12) + 6 + 30 inches
ii) 3 yards = 3 3 feet = 9 feet = 9 12 inches = 108 inches
iii) therefore 
Therefore the answer is
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➷The answer is that there is a right angle(90 degrees) and also there are three sides.
Explanation: Since all right triangles have a right angle, and also is a triangle, they have three sides and one is 90 degrees.
✽
➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
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