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NUS High Y2 Chapter 5 Q25
NUS High Y2 Chapter 5 Q25
The figure alongside shows a pyramid ABCD that has a horizontal triangular base BDC, such that BD = 7 cm and DC = 12 cm. A lies 5 cm vertically above D.
The figure alongside shows a pyramid ABCD that has a horizontal triangular base BDC, such that BD = 7 cm and DC = 12 cm. A lies 5 cm vertically above D.
Find
Find
(a) the length of BC, in cm,
(a) the length of BC, in cm,
(b) ∠BAC, in degree,
(b) ∠BAC, in degree,
(c) the area of ΔBAC, in cm2.
(c) the area of ΔBAC, in cm2.
Given that M is the midpoint of BC, find the angle between the line AM and the plane BCD, in degree (Click on the Green Square in the diagram below).
Given that M is the midpoint of BC, find the angle between the line AM and the plane BCD, in degree (Click on the Green Square in the diagram below).
NUS High Y2 Chapter 5 Q26
NUS High Y2 Chapter 5 Q26
The figure shows a prism that has a horizontal square base of side 8 cm.
The figure shows a prism that has a horizontal square base of side 8 cm.
Point A is 4 cm vertically above B.
Point A is 4 cm vertically above B.
Given that QM = 3 cm and NC = 2 cm, calculate
Given that QM = 3 cm and NC = 2 cm, calculate
(a) the area of ΔBMN, in cm2,
(a) the area of ΔBMN, in cm2,
(b) the angle between line AM and the plane QBCR, in degree.
(b) the angle between line AM and the plane QBCR, in degree.
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