9^2 - 2^2 = 9*9 - 2*2= 81-4= 77
Answer:
(1/2)
Step-by-step explanation:
The shape shrink in size by a factor of 2. So the answer is (1/2)
Answer: 11780.9316
Step-by-step explanation:
just do 16.2 times 6.7 times 16.2 times 6.7
Answer:
(a) 100° , (b) 235°
Step-by-step explanation:
the bearing is the angle measured in a clockwise direction from the north line.
(a)
the bearing of D from C is the angle NCD
∠ NCD = 100°
then the bearing of D from C is 100°
(b)
the bearing is the angle from the north line at C , measured clockwise to D
that is the green shaded ∠ NCD = 235°
the bearing of D from C is 235°
