Question

100 points crown if you answer all of these and explain your answer

The angles of a triangle are equal to 5x + 10, 8x − 20 and 3x + 30. Find the value of x

The acute angles of a right triangle measure (48 − x ) and (3x − 10). What is the value of

Triangle ABC is a right scalene triangle. If ∠ = 72°, what is the measure of ∠A?

An obtuse isosceles triangle contains an angle that measures 162°. What is the measure of another interior angle within this triangle?

The angles of a triangle are equal to 5x, 2x + 8, and 3x + 12. What is the measure of the smallest angle of the triangle?

The angles of a triangle are equal to x, x + 4 and 20. What is the measure of the largest angle of the triangle?

Answer 1

Explanation:

Answer: He will need 49 tiles.

Explanation:

Given: The patio will measure 13.5 feet by 43 feet.

Area of patio = 13.5 feet x 43 feet [Area = length x width]

= 580.5 sq. feet

Since area of each concrete tile = 12 sq. inch

Number of concrete tiles required to cover patio = (Area of patio) ÷ (area of each concrete tile)

= 580.5 ÷ 12

= 48.375 sq. inch ≈49