Answer:
Step-by-step explanation:
<u>We know that cube is made up of 6 enclosed square together of side 9cm</u>.
Area of one square = a²
= 9² = 81cm².
So, Area of 6 faces = 6a²
= 6 × 81 = 486cm².
Answer: -8
3 - (-8) = 3+8
3+ 8=11
The triangles are not congruent.
Answer: 1
You are welcome :)
y/2 = tan(60) => y = 2 tan(60) = 2sqrt(3) = 3.464
