Sunday

January 25, 2015

January 25, 2015

Posted by **Anonymous** on Friday, February 17, 2012 at 12:11pm.

- algebra -
**Steve**, Friday, February 17, 2012 at 2:22pmA+B+C = 180 for a triangle ABC

B = 5A

C = 4A-15

A + 5A + 4A - 15 = 180

10A = 195

A = 19.5

B = 97.5

C = 63

**Answer this Question**

**Related Questions**

algebra - in triangle ABC, the size of angle B is 5 times the size of angle A ...

geometry - In a triangle ABC, angle B is 3 times angle A and angle C is 8 ...

Algebra - In a triangle ABC, angle B is three times angle A and angle C is 5 ...

algebra - In a triangle ABC , angle B is 4 times angle A and angle C is 17 ...

math - In a triangle ABC,angle B is 3 times angle A and angle C is 5 degrees ...

algebra 1 - In a triangle ABC,angle b is 4 times angle "A" and angle "C" IS 17 ...

algebra 1 - In a triangle ABC,angle b is 4 times angle "A" and angle "C" IS 17 ...

mat116 - In a triangle ABC, angle B is 4 times angle A and angle C is 16 degrees...

MATH - In a triangle ABC, angle B is three times angle A and angle C is 1 less ...

math - In a triangle ABC, angle B is 5 times angle A and angle C is 18° less ...