GARDENING A gardener uses a grow light to grow vegetables indoors. If and , what is ? Example 3 Find each measure. 9. m∠1 10. m∠2 11. m∠3 12. m∠4 12. m∠5 14. m∠6 m∠1 = (7x − 7)° m∠2 = (4x + 2)° m∠3 = (2x + 6)° m∠1 m ∠1 = 8x° m ∠2 = (7x − 4)° m ∠1