How Tall Is It?

Jessie Pitts, Kelsie Schweer,

Julia Zhao, and, Daniel

Leatherwood

3rd Period

March 8, 2011

45° TRIANGLE

45°

45°

5.08 ft. (Height to eyes.)

24 ft. (Leg)

24 ft. (leg)29.08

ft.(Total height)

Trig approximation-

Tan45=x 24

X= 24

Height = 24+ 5.08= 29.08

Special Right Triangle-

Leg= Leg

24 ft. = 24 ft.

Height= 24 + 5.08 = 29.08

30

42 ft 30°

Tan30=A/42≈24.25 cos30=42/h≈36.37 90-30=60°

60°

60

60°

Special Right Triangle-

Short leg= Short leg X √3 Leg

Hyp=Short leg X 2

24 ft. = 24 ft.

Height= 24 + 5.08 = 29.08

14 x 14√3 ≈ 339.48

Height= 14√3 + 5.25 = 29.50

5.25 ft. (Height to eyes.)

30°

14 ft. (Short Leg)

14√3 ft. (long leg)

29.50 ft.(Total height)

Trig approximation-

Tan 60=x 14

X= 24.25

Height = 24.25 + 5.25= 29.08

18 TRIANGLE

1864ft.

CONCLUSION