Answer:
the original figure doesnt change shape, only location
Step-by-step explanation:
The answer is .4x because -3.4x+3.8x
Angle a is 22.62 degrees
and
angle b is 67.38 degrees
Answer:
yes
Step-by-step explanation:
since its more than 90 dgree
Answer:
Step-by-step explanation:
suface area of base=1/2×9×7.8=9×3.9=35.1 yd²
lateral surface area=3×1/2×9×10=135 yd²
total surface area=135+35.1=170.1 yd²
i assumed it is an equilateral triangular base.
as √(7.8²+4.5²)=9.0049≈9