/|\ / |a\ 7divided by square root of2/ | \d / | \ / | \ / | 30\ /45__90|______\
/ |a\ 7divided by square root of2/ | \d / | \ / | \ / | 30\ /45__90|______\
7divided by square root of2/ | \d / | \ / | \ / | 30\ /45__90|______\
/ | \ / | \ / | 30\ /45__90|______\
/ | \ / | 30\ /45__90|______\
/ | 30\ /45__90|______\
/45__90|______\