15%
35%
65%
85%
Correct answer is C
No explanation has been provided for this answer.
\(\frac{1}{4}\)
\(\frac{1}{3}\)
\(\frac{2}{3}\)
\(\frac{3}{4}\)
Correct answer is C
There are 3 triangles: \(\bigtriangleup\)MRS, \(\bigtriangleup\) and \(\bigtriangleup\) PRQ
Area PRMS has 2 triangles: \(\bigtriangleup\) MRS and \(\bigtriangleup\) RSP
the fraction = \(\frac{2}{3}\)
14\(\frac{1}{3}\)cm
12\(\frac{5}{6}\)cm
8\(\frac{1}{7}\)cm
7\(\frac{1}{3}\)cm
Correct answer is A
perimeter of minor sector
2r + \(\frac{\theta}{360} \times 2 \pi r\)
= 2 x 3.5 + \(\frac{120^o}{360^o} \times 2 \frac{22}{7} \times 3.5\)
= 7 + \(\frac{154}{21}\)
= 7 + 7.33
= 14.33
= 14\(\frac{1}{3}\)cm
33o
32o
27o
26o
Correct answer is C
tan \(\theta = \frac{opp}{adj} = \frac{6.6}{13}\)
tan \(\theta = 0.5077\)
\(\theta\) = tan-1 0.5077
\(\theta = 27^o\)
\(\frac{1}{2}\) (a + b + c)
\(\frac{1}{2}\) (a - b - c)
\(\frac{1}{2}\) (a - b + c)
\(\frac{1}{2}\) (a + b - c)
Correct answer is A
\(\frac{1}{2}\)(a - b + c) + \(\frac{1}{2}\)(a + b - c) - [\(\frac{1}{2}\) (a - b - c)]
\(\frac{1}{2}a - \frac{1}{2}b + \frac{1}{2}c + \frac{1}{2}a + \frac{1}{2}b - \frac{1}{2}c - \frac{1}{2}a + \frac{1}{2}b + \frac{1}{2}c\)
= \(\frac{1}{2}a + \frac{1}{2}b + \frac{1}{2}c\)
= \(\frac{1}{2}(a + b + c)\)