tareas7009
29.09.2020 •
Mathematics
Angle A and angle b are complementary angles. If m angle A=4x+6 and m angle b=4x-4 then find the measure of angle A
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Ответ:
Step-by-step explanation:
∠A and∠B being complementary means m∠A+m∠B=90°
m∠A = (4x+6)° and m∠B = (4x+4)°
so:
4x+6 + 4x+4 = 90
8x + 10 = 90
8x = 80
x = 10
m∠A = (4•10+6)° = 46°
Ответ:
≈127
Step-by-step explanation:
Divid 500 by 90 to get 5.5Multiply 700 and 5.5 from before(it'll give you a decimal which you have to round up to 127)