In a large pot, bring water to boil and cook pasta according to package directions.
In a large sauce pan with steamer basket, bring one inch water to boil. Add broccoli, mushrooms, zucchini and yellow squash and steam until tender. Set aside.
Coat large skillet with extra virgin olive oil and heat on medium. Add tomatoes and garlic, and saute for 1 minute. Add steamed vegetables, salt and pepper, and cook for an additional minute. Top angel hair with vegetable mixture.