Select the correct answer. Which expression gives the area of triangle QRS?
S
15
11
20°
R
9
OA (11)(15)cos(20°)
O B. (9)(15)cos(20°)
OC. (11)(15)sin(20%)
OD. 319)(15)sin(209)

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?