Trigonometry, help If the area of triangle ABC is 21 square units, find sinA if b = 14 and c = 9.

An isosceles triangular banner is displayed at the entrance to a Mathematics Conference. The equal sides of the banner measure 18 feet and the area of the banner is 68 square feet. Find the measures of the three angles of the triangle to the ​nearest tenth of a degree​.

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.