(5) Angle ADC is the sum of angles ADB and BDC.
(6) Yes, because lines AG and EC form two pairs of vertical angles, including ADC and EDG, as well as ADE and CDG.
(7) Angle HJK is clearly a right angle, and a right angle has measure 90°.
Answer:
2
Step-by-step explanation:
20/2 = 10
4/2 = 2
Answer:
(i) See attached image file
(ii) Option A
Step-by-step explanation:
See attached image file
Answer:
Step-by-step explanation:
(x-9)/5))(5) = 2(5)
answer is B
Answer: 19.625 cm (Formula is 2πr)
Steps: 1.) 3.14 * 12.5 = 39.25
2.) 39.25 * 2 = 78.5
3.) 78.5 / 4 = 19.625 (using the 4 because the area is a fourth of a whole circle)