....................................................... (Total 4 marks) Question 20. The diagram shows a pyramid with base ABC. is perpendicular to both and CD CA CB. Angle = 39° Angle = 45° Angle = 55° CBD ADB DBA = 18 cm. BC Calculate the size of the angle between the line and the plane AD ABC. Give your answer correct to 1 decimal place.
....................................................... (Total 4 marks) Question 20. The diagram shows a pyramid with base ABC. CD is perpendicular to both CA and CB. Angle CBD = 39° Angle ADB = 45° Angle DBA = 55° BC = 18 cm. Calculate the size of the angle between the line AD and the plane ABC. Give your answer correct to 1 decimal place.
pixl_ppe_march_edexcel_3h_qp.docx