02: The cross section of this right prism consists of a semicircle surmounted by an isosceles right-angled trilangle. Find: a) the length of AB, In millimetres b) the area of A ABD, in square millimetres c) the area of the semicircle, in square millimetres d) the volume of the prism, in cubic metres.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
Problem 46E
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Q2: The cross section of this right prism consists of a semicircle surmounted by an isosceles right-angled trlangle.
Find:
a) the length of AB, In millimetres
b) the area of A ABD, in square millimetres
c) the area of the semicircle, in square millimetres
d) the volume of the prism, in cubic metres.
8.6 m
10 cm
A:
Q3: The angle of depression of a yacht at S from the top of a 50 m cliff, C, is 15°. The yacht sails away from the cliff
on a course perpendicular to the cliff to a point T. The angle of depression of the yacht from C is now 10°. If
the yacht took 20 seconds to sail from S to T, what was her speed in kilometres per hour?
B.
Transcribed Image Text:Q2: The cross section of this right prism consists of a semicircle surmounted by an isosceles right-angled trlangle. Find: a) the length of AB, In millimetres b) the area of A ABD, in square millimetres c) the area of the semicircle, in square millimetres d) the volume of the prism, in cubic metres. 8.6 m 10 cm A: Q3: The angle of depression of a yacht at S from the top of a 50 m cliff, C, is 15°. The yacht sails away from the cliff on a course perpendicular to the cliff to a point T. The angle of depression of the yacht from C is now 10°. If the yacht took 20 seconds to sail from S to T, what was her speed in kilometres per hour? B.
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