Shadow problems are usually solved with a proportion.
.. oak/(oak's shadow) = joey/(joey's shadow)
.. oak/(12 ft) = (6 ft)/(5 ft)
.. oak = (12 ft)*(6/5) = 14.4 ft . . . . . . . matches selection B
Step-by-step explanation:
A. 8 cm, 15 cm, 17 cm => This is a right triangle.
B. 20 cm, 21 cm, 29 cm => This is a right triangle.
C. 36 cm, 77 cm, 85 cm => This is a right triangle.
D. 7 cm, 28 cm, 32 cm => This is not a right triangle.
Answer:
Im not so sure but i think its the 3rd option 168cm^2
Step-by-step explanation: