Answer:
a=3
Step-by-step explanation:
just look it up or multiply 35 by 55 then divide it by 2 lol
137.14
Hope this helps! <3
14
Even though the triangle is "upside down"
a = (1/2)bh
b is QB = 4
h is QA = 7
a = (1/2) * 4 * 7
a = 14