A1 A3 Ao A2
Answer Discuss in Comment
B3 B1 Bo B2
60° 90° 75° 120°
more fantastic more informative more expensive all of the above
30° 60° 90° 120°
more then actual length equal to actual length less then actual length all of the above
adding 0.815 in actual length dividing actual length by 0.815 multiplying actual length by 0.815 none of the above
cube circle sphere both (a) and (c) of above
triangle ellipse and circle circle ellipse
vertical lines inclined lines horizontal lines none of the above
"Scientists dream about doing great things. Engineers do them."
