It’s the second one, here’s how I got the answer to it.
Answer:
This is an equilateral triangle so it must also be equiangular. A triangle must have 180 degrees and has three angles so 180/3 = 60. Each angle is 60 degrees.
Step-by-step explanation:
Answer:
triangle BEF is right angled triangle
Answer:
C.) 1.5 cm
Step-by-step explanation: