7400320113

Submitted by michaela.bailova on Thu, 07/25/2024 - 17:19
Question: 
A building casts a shadow 19m long when the sun's rays fall on the ground at an angle of 60∘. From the given expressions, select all that represent the height of the building.
Project ID: 
7400320113
SubArea: 
Sine, cosine, tangent and cotangent
Answer 1: 
19⋅sin⁡60∘cos⁡60∘
Answer 1 Correct: 
1
Answer 2: 
19⋅sin⁡30∘
Answer 2 Correct: 
0
Answer 3: 
19⋅cotg30∘
Answer 3 Correct: 
1
Answer 4: 
19tg30∘
Answer 4 Correct: 
1
Answer 5: 
19⋅tg60∘
Answer 5 Correct: 
1
Answer 6: 
19⋅cos⁡60∘
Answer 6 Correct: 
0
Answer 7 Correct: 
0
Answer 8 Correct: 
0