In the diagram above, PQ is the tangent to the circle RST at T.|ST| = ST and ∠RTQ = 68o. Find ∠PTS
68o
62o
61o
56o
34o
Correct answer is D
PTS= 180-(68+56) = 56o
Which of the following is not a property of all parallelogram?
The diagonal bisects each other
Each diagonal bisects the area
The diagonal cut at right angles
The opposite sides are equal
The opposite angles are equal
Correct answer is C
No explanation has been provided for this answer.
The sum of the angles of regular polygon is 2520o. How many sides does the polygon have?
20
18
17
16
15
Correct answer is D
2(n-2) x 90o = 2520; n = 16
IF the exterior angles of a quadilateral are yo, (2y + 5)o , (y + 15)o and (3y - 10)o, find yo
61.43
60
52.86
51.43
50
Correct answer is E
No explanation has been provided for this answer.
In the diagram, PQ||RS and angles are as shown. Find x
145o
150o
155o
160o
165o
Correct answer is E
Join PR to a pentagon
90 + 90 + 140 + 55 + x = 540o
x = 165o
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