Notice the tickmark on the angles, those angles are equal to each other.
now, notice the angle at the very top, the large triangle is really sharing it with smaller-inscribed triangle, and therefore is equal on both triangles.
therefore, the larger triangle, is similar with smaller-inscribed triangle by AA.
what the dickens does that mean?
1; (1/4)/(1/4), all you do is flip the fraction to make the reciprocal and multiply, so (4/1)x(1/4)=1
9b - 12b² factorised would be 3b(3 - 4b).
You can find this as you must first find a common factor between 9b and -12b², which would be 3b. We can then take this out of the bracket and divide both terms by 3b to get the final answer, which leaves us with 3b(3 - 4b).
I hope this helps!
Answer:
35.46
Step-by-step explanation:
27.36+(8.1)=35.46
1. Find the equation of a line passing through the point (4, –7) parallel to the line 4x + 6y = 9.
2. Find the equation of a line passing through the point (–3, 8) perpendicular to the line 2x – 7y = –11.
3. Find the equation of a line passing through the point (5, 4) perpendicular to the line –4x – 3y = 6.
4. Find the equation of a line passing through the point (–2, –1) perpendicular to the line 5x + 6y = –6.
5. Find the equation of a line passing through the point (–7, 2) parallel to the line –4x + 10y = –5.
6. Find the equation of a line passing through the point (8, –9) perpendicular to the line 3x + 8y = 4.
