Question 113728 • S1S-OC: Pre-Calculus B (E3710 - AG)
Area = (base)(height)
Answer
The bottom side of the flag measures 5 feet because the triangle is . Because , the trigonometric triangle formula is used to calculate that the area is (5)(5)sin(36°) ≈ 7.35 square feet. Recalling th:
an isosceles triange
The bottom side of the flag measures 5 feet because the triangle is . Because , the trigonometric triangle formula is used to calculate that the area is (5)(5)sin(36°) ≈ 7.35 square feet. Recalling th:
SAS information is known
= (x)(5)sin().:
7.35
= (x)(5)sin().:
72°
Solving for x and adding this value to the length of the other sides, the perimeter ≈ (rounded to the nearest tenth).: