Answer:
figure it out
Step-by-step explanation:
you have to fin the area for triangle ABC so you have to multiply side AB and then multiply side AD.... Multiply DC and then multiply BA and then add all together x 1/2 x4
Answer:
3
Step-by-step explanation:
I got it wrong so then it told me what the correct answer was:)
The letter R has no lines of symmetry.
Answer:
Age of teacher = 32 years
Step-by-step explanation:
Average age of 15 students = 16 years
Sum of age of 15 students = 16 * 15 = 240 years
Average of age 15 students and a teacher = 17 years
Sum of age 15 students and a teacher = 17 * 16 = 272 years
Age of teacher = 272 - 240 = 32 years
