100o
140o
120o
10o
Correct answer is C
If RST = 60o
RXT = 2 × RST
(angle at the centre twice angle at the circumference)
RXT = 2 × 60
= 120o
Evaluate log 18 + log6 - log1612...
The sum of four numbers is 12145. What is the average expressed in base five? ...
In the diagram, < PSR = 220o, < SPQ = 58o and < PQR = 41o. Calculate the obtuse angle QRS....
Simplify 2a2 -4ab - 6a2 - 10ab + 5ab - 5a2...
A binary operation Δ is defined by a Δ b = a + 3b + 2. Find (3 Δ 2) Δ 5 ...
Find the range of 4,9,6,3,2,8,10 and 11 ...