Answer:
56
Step-by-step explanation:
0.0340909091 is the answer
Answer:
see explanation
Step-by-step explanation:
(a)
(the side required )² = sum of squares of other 2 sides - ( 2 × product of other 2 sides and cos(angle opposite side required ) )
x² = 12² + 15² - (2 × 12 × 15 × cos71°)
(b)
x² = 144 + 225 - 360cos71°
= 369 - 360cos71° ( take square root of both sides )
x = 
≈ 16 cm ( to the nearest integer )
The rule for going 90 degree counter clockwise is:
(x, y) becomes (y, -x)
Therefore, the new points are:
A(-3, 1) to (1, 3)
B(-2, 2) to (2, 2)
C(-3, 4) to (4, 3)
Answer is 132
because 9 goes into 11 twice and 9 goes into 28 3 times