<ul><li>Find ∠ x </li></ul>© mathsheuristics 
<ul><li>Find ∠ x </li></ul>© mathsheuristics  60° <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral   </li></ul><ul><...
<ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral   </li></ul><ul><li>...
<ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral   </li></ul><ul><li>...
<ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral   </li></ul><ul><li>...
<ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral   </li></ul><ul><li>...
Upcoming SlideShare
Loading in …5
×

Q7

2,780 views

Published on

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
2,780
On SlideShare
0
From Embeds
0
Number of Embeds
2,317
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Q7

  1. 1. <ul><li>Find ∠ x </li></ul>© mathsheuristics 
  2. 2. <ul><li>Find ∠ x </li></ul>© mathsheuristics  60° <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral  </li></ul><ul><li> DCB = 60° </li></ul>1
  3. 3. <ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral  </li></ul><ul><li> DCB = 60° </li></ul>60°  DCA  60°÷ 2 = 30° 30° 1 2
  4. 4. <ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral  </li></ul><ul><li> DCB = 60° </li></ul>60°  DCA  60°÷ 2 = 30° 30° <ul><li>ACD is issoc  </li></ul><ul><li> CDA  (180° – 30°)÷ 2 = 75° </li></ul>75° 1 2 3
  5. 5. <ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral  </li></ul><ul><li> DCB = 60° </li></ul>60°  DCA  60°÷ 2 = 30° 30° <ul><li>ACD is issoc  </li></ul><ul><li> CDA  (180° – 30°)÷ 2 = 75° </li></ul>75°  ADB  180°– 75° – 30° = 75° 1 2 3 4
  6. 6. <ul><li>Find ∠ x </li></ul>© mathsheuristics  <ul><li>AC = BD </li></ul><ul><li>BCD is equilateral  </li></ul><ul><li> DCB = 60° </li></ul>60°  DCA  60°÷ 2 = 30° 30° <ul><li>ACD is issoc  </li></ul><ul><li> CDA  (180° – 30°)÷ 2 = 75° </li></ul>75°  ADB  180°– 75° – 30° = 75°  x  75° x 2 = 150° Ans 150° 1 2 3 4 5

×