Answer:..
Step-by-step explanation:i see that you need this urgentl. Hope I am not too late. But to put it in simpler terms the answer is joe mama
Answer for no.9:
144.5cm^2
Step-by-step explanation:
base of triangle = 34cm-17cm
=17cm
Area =bh/2
=17cm×17cm/2
=289cm^2/2
=144.5cm^2
21 its 21 because it is 21
39 inches = 3 feet 3 inches
42.5 inches = 3 feet 6 1/2 inches
61 3/4 inches - 5 feet 1 3/4 inches