If Dave had 5 apples, Sandie has twice the amount Dave has.
2 answers:
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<u>Question</u> : 21
The lines ON and PQ are parallel, therefore
- Angle O + Angle P = 180°
- Angle O + 125° = 180°
- Angle O = 180° - 125°
- Angle O = 55°
<u>Question</u> : 22
The quadrilateral having all sides and angles equal is :
Explanation:
Consider the attached diagram.
Circles A and B have mutual tangents CF and DE that intersect at point F.
We know that the two tangents to a circle from an external point are congruent, so ...
FE≅ FC
FD ≅ FC
By the transitive property of congruence, both segments congruent to FC are congruent to each other:
FD ≅ FE
Therefore, CF is a bisector of DE.
