The answer should be 7 mm :)
Answer:
the answer would be b)
Step-by-step explanation:
Check the picture below.
bear in mind that, if the right-triangle is an isosceles, is a 45-45-90 triangle, and if we split it from the "vertex" above perpendicular to the base, we end up with two more 45-45-90 triangles.
20%=
200/100 x RM6000
=RM1200
Last year amount= RM6000- RM1200
=RM4800
Total savings in two years=
RM6000 + RM4800
=RM10800