Answer:
1. x=40
2. x=17
3. x=5
4. x=83
Step-by-step explanation:
Answer:
1. -195
2.-771
3. 2
1. 9
2.-3
3. -10
4. 205
Step-by-step explanation:
112 cm² * 6 triangles = 672 cm²
sin(4π21). Explanation: Notice that this fits the form of the sine subtraction formula: sin(A−B)=sin(A)cos(B)−cos(A)sin(B).