Question

Please help

What is the area of the triangle?

Obtuse triangle a b c is shown. Line a c is the base and is labelled 9 feet. A dotted line extends from the base to the right where it meets another dotted lines that extends from that first dotted line up to meet the top vertex of the triangle, b. There is a right angle square symbol where the two dotted lines meet. The vertical dotted line is labeled three feet. Side b c is labelled four feet.

thirteen point five square feet

sixteen point five square feet

twenty-seven point five square feet

thirty-six point five square feet

Answer 1

i work better with images but remember the formula for area.

Answer 2

heres the pic

Answer 3

Area of triangle is bh/2

Answer 4

13.5