1. Find
the angles marked with letters.
а) m 32⁰; b) m 22⁰;
2. Find the angles marked with letters.
а) r
61⁰,
s 119⁰;
3. Find the angles marked with letters.
а) a
152⁰,
b 28⁰;
4. Find the angles marked with letters.
а) d
31⁰,
c 31⁰;
6. The angles p, q, r and s in a quadrilateral are in the ratio 3:1:2:4.
а) r
106⁰, s
38⁰, p
72⁰, q
144⁰;
а) 213⁰; b) 71⁰;
Trace these special quadrilaterals.
Draw the diagonal on each shape.
11. Which of the
quadrilaterals have diagonals that meet at right-angels?
а) A, B, F; b) A, E, F;
12. Which of the quadrilaterals have diagonals that are the same length?
а) A, B; b) D, B;
а) m 32⁰; b) m 22⁰;
c) m 26⁰; d)
m 20⁰.
2. Find the angles marked with letters.
b) r 63⁰, s 117⁰;
c) r 60⁰, s 120⁰;
d) r 61⁰, s 118⁰.
3. Find the angles marked with letters.
b) a 155⁰, b 25⁰;
c) a 140⁰, b 40⁰;
d) a 150⁰, b 30⁰.
4. Find the angles marked with letters.
b) d 38⁰, c 38⁰;
c) d 35⁰, c 35⁰;
d) d 33⁰, c 33⁰.
b) c 122⁰, d 67⁰, e 53⁰;
c) c 120⁰, d 67⁰, e 50⁰;
d) c 122⁰, d 69⁰, e 51⁰.
6. The angles p, q, r and s in a quadrilateral are in the ratio 3:1:2:4.
b) r 108⁰, s
36⁰, p
72⁰, q
144⁰;
c) r 108⁰, s
34⁰, p
72⁰, q
146⁰;
d) r
110⁰, s
36⁰, p
70⁰, q
144⁰.
c) e 31⁰; d) e 35⁰.
c) a 75⁰; d)
a 60⁰.
b) b 85⁰, c 85⁰;
c) b 83⁰, c 83⁰;
d) b 80⁰, c 80⁰.
а) 213⁰; b) 71⁰;
c) 142⁰; d)
147⁰.
Trace these special quadrilaterals.
Draw the diagonal on each shape.
а) A, B, F; b) A, E, F;
c) A, C, D; d) A, C, F.
12. Which of the quadrilaterals have diagonals that are the same length?
а) A, B; b) D, B;
c) A, E;
d) C, F.
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