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2 answers:
9514 1404 393
Answer:
- 70°
- 55°
- 35°
- 35°
Step-by-step explanation:
An inscribed angle is half the measure of the central angle that intercepts the same arc.
__
(i) 35° = x/2 ⇒ x = 70°
(ii) x = 110°/2 = 55°
(iii) x = 70°/2 = 35°
(iv) x = 90° -55° = 35° . . . . a triangle inscribed in a semicircle is a right triangle
Step-by-step explanation:
#1
Centre = O
x = 35 × 2
x = 70⁰
#2
Centre = O
x = 110/2
x = 55⁰
#3
Centre = O
x = 70/2
x = 35⁰
#4
Centre = O
A right angle triangle has a side of 90⁰
x = 90 - 55
x = 35
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