115k views
3 votes
An isosceles trapezoid has base angles 45 and bases of lengths 9 and 15 the area pf the trapezoid is

User Slake
by
7.3k points

1 Answer

7 votes
tangent 45 = height / 3
height = 3 * tan (45)
height = 3 * 1
height = 3

Trapezoid area = ((sum of the bases) ÷ 2) • height

Trapezoid area = (9 + 15) /2 * height

Trapezoid area = 12 * 3

Trapezoid area = 36


User Stevo
by
8.0k points