Answer:
15. Radius
16. CF is parallel to AH , Option C
17. Option A , AB congruent to ST
Step-by-step explanation:
15. The line joining the center and any point on the circumference of a circle is the radius if the circle. Here Center is O and is being joined by B which lies on circumference hence OB makes a radius.
16. In a cuboid , all the heights are parallel to each other. Hence CF ║AH ║ BE ║ DG
Hence the right answer is option C
17. If we observe the two quadrilaterals we see that
A overlaps to S , B to T , C to U and D to V
Hence
AB is congruent to ST
