The diagram shows the first three triangle numbers. The first three triangle numbers are 1, 3 and 6. The eighth triangle number is: 8 24 28 36 The children at Summer High travel to school in five different ways. 3/8 of them are taken there by car. 1/3 of them travel by bus. 2/9 of them arrive by bicycle 1/24 arrive by The rest walk. What fraction of the children walk? 7/44 35/36 1/36 1/18 Test 13 Q2 What is the root? 9 1/9 2/3 -2/3 Test 13 Q13 What is the perimeter of the triangle? 12 units 7 + units √7 7 - √7 1.5√7 units Step 1 Use Pythagoras’ Theorem to find the length of the side, c, of the triangle:
The diagram shows the first three triangle numbers. The first three triangle numbers are 1, 3 and 6. The eighth triangle number is: 8 24 28 36 The children at Summer High travel to school in five different ways. 3/8 of them are taken there by car. 1/3 of them travel by bus. 2/9 of them arrive by bicycle 1/24 arrive by The rest walk. What fraction of the children walk? 7/44 35/36 1/36 1/18 Test 13 Q2 What is the root? 9 1/9 2/3 -2/3 Test 13 Q13 What is the perimeter of the triangle? 12 units 7 + √7 units 7 - √7 1.5√7 units Step 1 Use Pythagoras’ Theorem to find the length of the side, c, of the triangle: