【单选题】Mike failed to finish his homework on time, so he tried to avoid _______ his teacher.
【简答题】A.He made a sudden turn. B.He tried to avoid hitting the truck. C.He was pursued by the running dog. D.A girl riding a bike crashed into his car.
【单选题】He tried to avoid ______ my questions in class.
【单选题】已知一个正四棱锥,棱锥的底面边长为 2 ,棱锥的高为 ,则正四棱锥的侧面积为 ,表面积为 _______.
【简答题】如图,已知正四棱锥P-ABCD的底边长为6、侧棱长为5.求正四棱锥P-ABCD的体积和侧面积. A
【单选题】已知四棱锥 的底面是边长为6的正方形,侧棱 底面 ,且 ,则该四棱锥的体积是( )
【单选题】已知正四棱锥 的侧棱长与底面边长都相等, 是 的中点, 则 所成的角的余弦值为
【单选题】He tried to avoid________my questions in class.
【单选题】已知一个正四棱锥,棱锥的底面边长为 2 ,棱锥的高为 ,则正四棱锥的侧面积为 ,表面积为 _______.
【单选题】He tried to avoid the barrier to his carrying out the plan.