In triangle $A B C$ , $∠ A = 4 5^{\circ}$ , $∠ B = 3 0^{\circ}$ and $a = 102$ . Find $b$ .

Practise more Advanced Mathematics, Geometry and Data Analysis.

Free questions with an explanation for every one, and full timed Egyptian Scholastic Test (EST) mock tests.

All Advanced Mathematics, Geometry and Data Analysis questions Take a mock test

More Advanced Mathematics, Geometry and Data Analysis questions

A circle in the xy-plane has equation $(x - 3)^{2} + (y + 2)^{2} = 25$ . What are the coordinates of its center and its radius?
In right triangle $A B C$ , angle $C = 9 0^{\circ}$ . If $sin A = \frac{3}{5}$ , what is the value of $cos A$ ?
What is the area of an equilateral triangle with side length $8 cm$ ?
A cylinder has a radius of $3 cm$ and a height of $10 cm$ . What is its total volume?
What is the median of the dataset ${4, 8, 12, 15, 19, 22, 27}$ ?
Two similar triangles have corresponding side lengths in the ratio $2 : 5$ . If the smaller triangle has an area of $24 cm^{2}$ , what is…