What is the solution of 10 = 15x ?
2 answers:
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Answer:
60
Step-by-step explanation:
Area of trapezoid:
The top base of the trapezoid is given as 7 cm. The bottom base of the trapezoid can be found with 7+5+5 = 17 cm. The height is given as 5 cm. Then, plug these values into the formula.
=
=
= 60
Answer:
B
Step-by-step explanation:
Using the Sine Rule in ΔABC
=
=
∠C = 180° - (82 + 58)° = 180° - 140° = 40°
Completing values in the above formula gives
=
=
We require a pair of ratios which contain b and 3 known quantities, that is
=
OR
=
→ B