see workshop handouts - OLAC
see workshop handouts - OLAC
see workshop handouts - OLAC
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Scale Exercises Answers, p. 2<br />
6. 034 1 asb253440<br />
255 Scale [ca. 1:253,440].<br />
On scale indicator (1 mile): On ruler:<br />
4-mile mark crosses at 63,360 1 in. = 4 miles<br />
1 mile = 63,360 x 4 miles 1 in. = 4 x 63,360 in.<br />
1:253,440 1:253,440<br />
7. 034 1 a*b6000<br />
255 Scale [ca. 1:6,000].<br />
On scale indicator (1000 ft.):<br />
lOOO-foot mark crosses at 6000<br />
1:6,000 .<br />
On ruler:<br />
1 in. = 500 A.<br />
1 in. = 500 x 12 in.<br />
1:6,000<br />
8. 034 1 a*b2062500<br />
255 Scale [ca. 1:2,062,500] not “1:1,550,000” ; *b Lambert conformal conic proj.,<br />
standard parallels47°55’ and 59O35’.<br />
On scale indicator (1 mile):<br />
75-mile mark crosses at 27,500<br />
1 mile = 27,500 x 75 miles<br />
1:2,062,500<br />
9. 034 1 a+b6600000<br />
255 Scale [ca. 1:6,600,000].<br />
On scale indicator (1 O latitude):<br />
2 O-mark crosses at 3,300,OOO<br />
1 O = 3,300,000 x 2<br />
1:6,600,000<br />
10. 034 1 a +b 24000000<br />
255 Scale [ca. 1:24,000,000].<br />
On scale indicator (1 O latitude):<br />
5 O-mark crosses at 4,800,OOO<br />
1 O = 4,800,OOO x 5<br />
1:24,000,000<br />
On ruler:<br />
2.4 cm. = 50 km.’<br />
2.4 cm. = 50 x 100,000 cm.<br />
2.4/2.4 = 5,000,000/2.4<br />
1:2,083,333<br />
On ruler:<br />
3.35 cm. = 2’<br />
3.35 cm. = 2 x 1 l,OOO,OOO cm.<br />
3.3513.35 = 22,000,000/3.35<br />
1:6,567,164<br />
On ruler:<br />
2.3 cm. = 5’<br />
2.3 cm. = 5 x 1 l,~OO,OOO cm.<br />
2.3/2.3 = 55,000,000/2.3<br />
1:23,913,043<br />
AVG<strong>OLAC</strong>96 10
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