Answer:
1. (i) 7, 21, 63, 189
(ii) 20, 10, 5, 2.5
2. (i) n²+n (where n = 1, 2, 3, ..)
(ii) 8/(10^n) (where n = 1, 2, 3, ..)
(iii) 1/(n+1) (where n = 1, 2, 3, ..)
The statement will be m∠ABC = m∠GHI.
Reason: ∠ABC ≅ ∠GHI
a. 3x (150 degrees)
b. 9x (180 degrees)
c. 3x - 20 (220 degrees)
4 foot
Step-by-step explanation:
√50.25 / 3.1416 = 4