Mathematics, 30.03.2020 06:41 Ap621765
Diagram 14 shows a pyrarnid with an isosceles triangle POR as the base placed on a horizontal floor. It is
given that ZSPR - 50° PS - OS - 30 cm, PR=RQ = 10 cm. PQ = 16 cmn and ZORS is an obtuse angle
Rajah 14 menunjukkan sebuah piramid dengan segi tiga kaki sama POR sebagai tapak yang terletak di atas lantai ufuk
Diberi bahawa SPR = 50". PS - OS - 30 cm. PR = RQ = 10 cm. PQ = 16 cm dan ZORS adalah sudut cakah.
Calculate/Hitung
(a) the length, in cm. of SR,
panjang dalam em bagi SR,
(b) the angle between plane POS and plane POR,
sudur di antara satah PQS dan satah POR
(c) the total area, in cm, of the slanting surfaces,
jumlah luas, dalam cm' bagi permukaan-permukaan condong,
(d) the vertical distance, in cm, from the vertex S to the floor
jarak tegak, dalam cm. dari bucu S ke lantai.
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Diagram 14 shows a pyrarnid with an isosceles triangle POR as the base placed on a horizontal floor....
History, 22.02.2020 03:37